Term
| Spinal cord is part of the? |
|
Definition
|
|
Term
| The spinal cord lies in the? |
|
Definition
|
|
Term
| The spinal cord goes from the _____ to the _______ ? |
|
Definition
1. Foramen magnum
2. L1 and L2 |
|
|
Term
| How long is the spinal cord? |
|
Definition
|
|
Term
| Diameter of the spinal cord |
|
Definition
|
|
Term
| After the foramen magnum, the spinal cord continues as the _______. |
|
Definition
|
|
Term
| The terminal end of the spinal cord is the ______. |
|
Definition
|
|
Term
| The conus medullaris is at the level of the ____. |
|
Definition
|
|
Term
| The _____ anchors the cord at the bottom, and the ______ anchors at the top. |
|
Definition
1. filum terminale
2. brain |
|
|
Term
| The filum terminale and brain prevent what type of movements? |
|
Definition
| Vertical movements of the spinal cord within the vertebral canal. |
|
|
Term
| The filum terminale starts at the ______ and inserts into the _____. |
|
Definition
1. Tip of conus medularis
2. Coccyx. |
|
|
Term
| What ligaments prevent side to side movements of the spinal cord? |
|
Definition
|
|
Term
| There are ___ enlargements on the spinal cord. |
|
Definition
|
|
Term
| The enlargements are called the ______ and the _______ . |
|
Definition
|
|
Term
| The enlargements give rise to? |
|
Definition
| The nerves that supply the upper limb (cervical bulge) and lower limb (lumbar bulge) |
|
|
Term
| (T/F) The spinal cord extends all the way down the provided column? |
|
Definition
|
|
Term
| The spinal cord and column grow (together/independently) during development? |
|
Definition
|
|
Term
| The spinal cord or column stops growing first? |
|
Definition
|
|
Term
| The filum terminale and long ventral/dorsal roots are the _____? |
|
Definition
|
|
Term
| The spinal cord contains ______ segments |
|
Definition
|
|
Term
| Each spinal segment is associated with a ________. |
|
Definition
|
|
Term
| Dorsal root ganglion contains |
|
Definition
| The cell bodies of the sensory neurons. |
|
|
Term
| The dorsal root ganglion lie ______. |
|
Definition
| Between adjacent vertebrae. |
|
|
Term
| Sensory neurons are in the ______. |
|
Definition
|
|
Term
| Dorsal root is (anterior/posterior). |
|
Definition
|
|
Term
| The ______ root contains the axons of somatic motor neurons |
|
Definition
|
|
Term
| There are ____ dorsal roots and ____ ventral roots. |
|
Definition
|
|
Term
| The roots enter/leave the spinal cord in the _________ |
|
Definition
|
|
Term
| The membranes that provide protection, stability and shock absorbtion are? |
|
Definition
|
|
Term
| There are ____ layers of meninges |
|
Definition
|
|
Term
|
Definition
| Pia mater, arachnoid mater, dura mater |
|
|
Term
| The ____ is the most superficial layer |
|
Definition
|
|
Term
| The outer covering of the spinal cord is the ________. |
|
Definition
|
|
Term
| The dura mater is (tough/fragile) |
|
Definition
|
|
Term
| The _____ space lies between the vertebrae and dura mater |
|
Definition
|
|
Term
| What composes the epidural space? |
|
Definition
| Adipose tissue, blood vessels and areolar tissue |
|
|
Term
| The dura mater and filum terminale for which ligament? |
|
Definition
|
|
Term
| The middle meninge layer is the? |
|
Definition
|
|
Term
| The _____ space seperates the dura and arachnoid mater |
|
Definition
|
|
Term
| The arachnoid layer consists of what tissue? |
|
Definition
|
|
Term
| The separation of the arachnoid and pia mater is called the _____ |
|
Definition
|
|
Term
| The subarachnoid space contains what? |
|
Definition
|
|
Term
| ______ _______ extend from the inner arachnoid surface to the exterior pia surface. |
|
Definition
|
|
Term
| Pia mater is composed of what fibres? |
|
Definition
|
|
Term
| The fibres of the pia mater are continuous with the? |
|
Definition
|
|
Term
| Denticulate ligaments are extensions of the pia mater (True/False)? |
|
Definition
|
|
Term
| (T/F) The spinal meninges surround the dorsal/ventral roots of the spinal cord? |
|
Definition
|
|
Term
| There are grooves on the _____ and ____ portions of the spinal cord. |
|
Definition
|
|
Term
| The anterior groove is called the? |
|
Definition
|
|
Term
| The posterior groove is called the? |
|
Definition
|
|
Term
| (T/F) Do the anterior and posterior grooves extend the length of the spinal cord? |
|
Definition
|
|
Term
| (T/F) The anterior and posterior grooves separate the cord into left and right sides? |
|
Definition
|
|
Term
| The spinal cord is composed of? |
|
Definition
|
|
Term
| The _____ matter is the outer layer, whilst the inner layer is the _____ layer. |
|
Definition
|
|
Term
| The _____ layer is H shaped |
|
Definition
|
|
Term
| The cell bodies of neurons in grey matter are called ______. |
|
Definition
|
|
Term
| The ______ grey horns contain somatic and visceral sensory nuclei. |
|
Definition
|
|
Term
| The dorsal horn is involved with (afferents/efferents) |
|
Definition
|
|
Term
| The ________ horns contain neurons related to somatic motor control. |
|
Definition
|
|
Term
| The _________ ________ ________ contain visceral motor neurons |
|
Definition
|
|
Term
| The lateral grey horns are located where? |
|
Definition
| Between the T1 and L2 segments |
|
|
Term
| The lateral grey horns are also known as? |
|
Definition
|
|
Term
| The ____ __________ contain axons crossing from one side of the cord to the other. |
|
Definition
|
|
Term
| The ventral root contains the axons of the ________ |
|
Definition
|
|
Term
| The dorsal root contains axons of the _______ neurons. |
|
Definition
|
|
Term
| The dorsal and ventral roots combine to form the ______ _____. |
|
Definition
|
|
Term
| (T/F) the spinal nerve splits after passing through the intervertebral foramen. |
|
Definition
|
|
Term
| The spinal nerve splits to for the _____ ramus and _____ ramus. |
|
Definition
|
|
Term
| The spinal nerve is classified as? |
|
Definition
|
|
Term
| The grey matter surrounds the ____ _____. |
|
Definition
|
|
Term
| The white matter is the (inner/outer) layer. |
|
Definition
|
|
Term
| The white matter allows for what 3 things? |
|
Definition
1. Communication between different levels of the spinal cord
2. Between the spinal cord and brain
3. The brain and spinal cord |
|
|
Term
| The fibres of the white matter travel in how many directions? |
|
Definition
|
|
Term
| Name the 3 tracts in the spinal cord |
|
Definition
1. Ascending
2. Descending
3. Transvers |
|
|
Term
| What is the function of the ascending fibres? |
|
Definition
| Carries sensory information towards the brain |
|
|
Term
| What is the function of the descending fibres? |
|
Definition
| Carries motor input from the brain into the spinal cord. |
|
|
Term
| What is the function of the transverse fibres? |
|
Definition
| Cross from one side of spinal cord to the other |
|
|
Term
| The _____ and ______ tracts make up most of the white matter. |
|
Definition
|
|
Term
| What are the columns that contain tracts called? |
|
Definition
|
|
Term
| Name the 3 types of funiculi |
|
Definition
1. Anterior
2. Posterior
3. Lateral |
|
|
Term
| The anterior funiculi contains which fibres? |
|
Definition
|
|
Term
| Posterior funiculi contains? |
|
Definition
|
|
Term
| Lateral funiculi contains |
|
Definition
| Ascending and descending fibres |
|
|
Term
| Transverse fibres are also called ________. |
|
Definition
|
|
Term
| The brain is composed of the? |
|
Definition
|
|
Term
| The cerebrum forms from this structure. |
|
Definition
|
|
Term
| The cerebrum/telencephlon is the (inner/outer) portion of the brain |
|
Definition
|
|
Term
| The diencephalon is the (inner/outer) portion of the brain |
|
Definition
|
|
Term
| (T/F) the telencephlon/cerebrum forms the largest portion of the brain |
|
Definition
|
|
Term
| Describe the shape of the cerebrum |
|
Definition
|
|
Term
| What % of brain mass is the cerebrum? |
|
Definition
|
|
Term
| (T/F) the cerebrum is divided into left and right hemispheres |
|
Definition
|
|
Term
| (T/F) the cerebrum is very large |
|
Definition
|
|
Term
| Which fissure separates the two hemispheres? |
|
Definition
| Longitudinal cerebral fissure (aka the saggital fissure) |
|
|
Term
| What is the outer covering of the cerebellum? |
|
Definition
|
|
Term
| What are the 3 surface features of the cerebrum? |
|
Definition
| 1. Gyri 2. Sulci 3. Fissures |
|
|
Term
| The twists and bumps of the cerebrum are called? |
|
Definition
|
|
Term
| The precentral gyrus functions as the? |
|
Definition
|
|
Term
| The postcentral gyrus functions as the? |
|
Definition
|
|
Term
| Furrows that separate gyri are called? |
|
Definition
|
|
Term
| There are ___ major sulci? |
|
Definition
|
|
Term
|
Definition
1. Central sulcus
2. Parieto-occipital sulcus
3. Lateral Sulcus |
|
|
Term
| Which lobes do the central sulci separate? |
|
Definition
| Separates frontal from parietal |
|
|
Term
| (T/F) the three major sulci are present on both hemispheres |
|
Definition
|
|
Term
| Description of the Central sulcus |
|
Definition
| Starts at the top, middle protion of each hemisphere and extends downwards, towards the front, stopping short of the lateral sulcus |
|
|
Term
| The Parieto-occipital sulcus separates which two lobes? |
|
Definition
|
|
Term
| Can the parieto-occipital sulcus be easily seen in an intact brain? |
|
Definition
|
|
Term
| Where is the parieto-occipital sulcus best seen? |
|
Definition
| From the medial surface of each hemisphere |
|
|
Term
| The parieto-occipital sulcus is best seen drawing a line between which two structures? |
|
Definition
| Between the preoccipital notch and the small portion of the parieto-occipital sulcus |
|
|
Term
| The lateral sulcus is (superficial/deep) in the brain |
|
Definition
|
|
Term
| Which lobes does the lateral sulcus separate? |
|
Definition
| Separates the temporal from the parietal and frontal loves above it |
|
|
Term
| Name the 5 lobes of each hemisphere |
|
Definition
1. Temporal
2. Frontal
3. Parietal
4. Occipital
5. Inslua |
|
|
Term
| The cerebral cortex is composed of (grey/white) matter |
|
Definition
|
|
Term
| What is the cerebral cortex in relation to the cerebrum? |
|
Definition
| It is the surface of the cerebrum |
|
|
Term
| The cerebral cortex, being grey matter, is composed of what structures? |
|
Definition
|
|
Term
| The cerebral cortex makes up what mass % of the brain? |
|
Definition
|
|
Term
| How thick is the cerebral cortex? |
|
Definition
|
|
Term
| What structure of the cerebrum accounts for the cerebral cortex having a high (3x) surface area? |
|
Definition
| Gyri. They create folds allowing for higher surface area |
|
|
Term
| The collection of nerve cell bodies that lies deep within the cerebral hemispheres is called the _____ ______ |
|
Definition
| Basal ganglia (Basal nuclei) |
|
|
Term
| The basal ganglia is considered grey matter because it contains which structure? |
|
Definition
|
|
Term
| The basal ganglia is made up of which two nuclei? |
|
Definition
|
|
Term
| What is the function of the caudate and lentiform nuclei? |
|
Definition
| To subconsciously adjust and modify voluntary motor commands |
|
|
Term
| White matter in the brain consists of what? |
|
Definition
| Myelinated nerve fibres (axons) |
|
|
Term
| What does the white matter allow for in the brain? |
|
Definition
| Communication between different areas of the cerebrum, as well as between the cerebral cortex and spinal cord |
|
|
Term
| Bundles of nerve fibres are called _____ in the brain. |
|
Definition
|
|
Term
| Tracts are classified based on what? |
|
Definition
| Their direction of travel |
|
|
Term
| Name the two communication tracts |
|
Definition
1. Corpus callosum
2. Internal capsule |
|
|
Term
| The corpus callosum has nerve fibres that travel in which direction? |
|
Definition
|
|
Term
| The corpus callosum is deep to which structure? |
|
Definition
| Longitudinal cerebral fissure |
|
|
Term
| What is the function of the corpus callosum? |
|
Definition
| To connect the corresponding areas of each hemisphere |
|
|
Term
| The callosum extends from the ______ lobe to the _______ lobe. |
|
Definition
|
|
Term
| How thick is the corpus callosum? |
|
Definition
|
|
Term
| (T/F) The corupus callosum sends forceps into occipital lobe |
|
Definition
|
|
Term
| What are the association fibres within the brain? |
|
Definition
| Interconnect portions of the cerebral cortex within the same hemisphere |
|
|
Term
| What are the short association fibres called? |
|
Definition
|
|
Term
| (T/F) short association fibres travel between adjacent gyri |
|
Definition
|
|
Term
| What is the function of projection fibres? |
|
Definition
| Links the cerebral cortex with the other parts of the brain |
|
|
Term
| What is the function of the longitudinal fasciculi |
|
Definition
| To connect the frontal lobe with other lobes |
|
|
Term
| Which direction do the fibres of the internal capsule travel? |
|
Definition
|
|
Term
| The internal capsule consists of what? |
|
Definition
| All ascending and descending fibres of the afferent and efferent divisions |
|
|
Term
| The internal capsule allows for communication between which structures? |
|
Definition
| Cerebral cortex and spinal cord |
|
|
Term
| (T/F) the internal capsule contains both ascending and descending fibres |
|
Definition
|
|
Term
| (T/F) the internal capsule is used as a landmark in the topography of the cerebral hemispheres |
|
Definition
|
|
Term
| What is the area that lies below the basal ganglia? |
|
Definition
|
|
Term
| The diencephalon consists of which three structures? |
|
Definition
1.Thalamus (R and L)
2.Hypothalamus
3.Epithalamus |
|
|
Term
| The thalamus performs which function? |
|
Definition
| Sends sensory information to cerebral cortex |
|
|
Term
| (T/F)The thalamus is considered the nucleus for our senses |
|
Definition
|
|
Term
| Which sense does not pass through the thalamus before being relayed to the cerebral cortex |
|
Definition
|
|
Term
| Each hemisphere of the thalamus is embedded into the _______ surface of each cerebral hemisphere |
|
Definition
|
|
Term
| What connects the two thalamic hemispheres? |
|
Definition
|
|
Term
| The thalamus makes up what % mass of the diencephalon |
|
Definition
|
|
Term
| The hypothalamus is (inferior/superior) to the thalamus |
|
Definition
|
|
Term
| The hypothalamus is connected to which gland |
|
Definition
|
|
Term
| The hypothalamus has what function? |
|
Definition
| Controls the endocrine system |
|
|
Term
| The epithalamus is (inferior/superior) to the other two diencephalon structures |
|
Definition
|
|
Term
| The epithalamus contains which gland |
|
Definition
|
|
Term
| The pineal gland controls the production of what substance? |
|
Definition
|
|
Term
| (T/F) The diencephalon contains an empty space |
|
Definition
|
|
Term
| The brain stem consists of what 3 structures? |
|
Definition
1. Midbrain (mesencephalon)
2. Pons
3. Medulla oblongata |
|
|
Term
| Name the two main features of the mesencephalon |
|
Definition
| 1. Cerebral Peduncles 2. Colliculi |
|
|
Term
| The cerebral peduncles a consist of what? |
|
Definition
|
|
Term
| What is the function of the cerebral peduncles? |
|
Definition
| Connect the primary motor cortex with motor neurons in the brain and spinal cord; carries sensory info to the thalamus |
|
|
Term
| (T/F) the central peduncles contain both ascending and descending fibres |
|
Definition
|
|
Term
| The central peduncles are on the (dorsal/ventral) side of the mesencephalon |
|
Definition
|
|
Term
| (T/F) the central peduncles act to hold up the portion of the cerebrum above it |
|
Definition
|
|
Term
| There are ___ colliculi in the midbrain |
|
Definition
|
|
Term
| The superior colliculi (2 of them) are involved with the _______ relfex pathway |
|
Definition
|
|
Term
| The inferior colliculi (2 of them) are involved with the _______ relfex pathway |
|
Definition
|
|
Term
| All 4 colliculi are collectively known as the ________ _______. |
|
Definition
|
|
Term
| Where is the pons located? |
|
Definition
| In between the midbrain and the medulla |
|
|
Term
| The groove down the centre of the pons is called the ______ groove. |
|
Definition
|
|
Term
| The pons forms a prominent bulge on the (anterior/postior) brainstem |
|
Definition
|
|
Term
| What structure connects the pons to the cerebellum? |
|
Definition
|
|
Term
| How many cerebellar peduncles are there? |
|
Definition
|
|
Term
| There are 2 _____ peduncles and 1 ______ peduncle. |
|
Definition
|
|
Term
| The middle cerebellar peduncle is connected to the ______ ________ of the pons |
|
Definition
|
|
Term
| Where is the medulla oblongata located? |
|
Definition
|
|
Term
| The shape of the medulla oblongata could be described as being? |
|
Definition
|
|
Term
| (T/F) the medulla is continuous with the spinal cord |
|
Definition
|
|
Term
| (T/F) the medulla physically connects the brain with the spinal cord |
|
Definition
|
|
Term
| Name the 3 discussed structures of the medulla |
|
Definition
1. Pyramids
2. Anterior median fissure
3. Olives |
|
|
Term
|
Definition
| Elongated elevations running the length of the medulla |
|
|
Term
| The pyramids are separated by which structure? |
|
Definition
| The anterior median fissure |
|
|
Term
|
Definition
| Prominent bulges along the anterolateral medulla |
|
|
Term
| The olives are created by the ______ ______. |
|
Definition
|
|
Term
| The two major reflex centres of the medulla are? |
|
Definition
1. Cardiovascular reflex centre
2. Respiratory reflex centre |
|
|
Term
| What does the cardiovascular reflex centre control? |
|
Definition
| heartbeat speed and force, blood pressure regulation |
|
|
Term
| What does the respiratory centre control? |
|
Definition
| Force and depth of breathing ability |
|
|
Term
| (T/F) There is a reflex centre that controls vomiting, hiccuping, swallowing, coughing and sneezing |
|
Definition
|
|
Term
| The posterior, inferior portion of the brain is the? |
|
Definition
|
|
Term
| (T/F) the cerebellum has two hemispheres? |
|
Definition
|
|
Term
| What structure connects the two cerebellar hemispheres? |
|
Definition
|
|
Term
| (T/F) Each cerebellar hemisphere consists of 2 lobes |
|
Definition
|
|
Term
| What seperates the 2 lobes |
|
Definition
|
|
Term
| The structures that connect the cerebellum to the brain stem, cerebrum and spinal cord are the ______. |
|
Definition
|
|
Term
| Name the 3 classes of peduncles |
|
Definition
1. Superior
2. Middle
3. Inferior |
|
|
Term
| What is the function of the arbor vitae? |
|
Definition
| Connects the cerebellar cortex with nuclei and cerebellar pedunces |
|
|
Term
| The overall function of the cerebellum relates to _______ _______. |
|
Definition
|
|
Term
| The connective tissue membranes that lie external to the brain are called the ______. |
|
Definition
|
|
Term
|
Definition
1. Dura
2. Arachnoid
3. Pia |
|
|
Term
| How many layers is the dura mater made up of? |
|
Definition
|
|
Term
| Name the 2 layers of the dura mater |
|
Definition
1. Outer periosteal layer
2. Inner meningeal layer |
|
|
Term
| The outer periosteal layers is attached to what? |
|
Definition
|
|
Term
| How many extensions of the dura mater are there? |
|
Definition
|
|
Term
| What is the function of the extensions of the dura mater |
|
Definition
| To prevent excessive movement of the hemispheres |
|
|
Term
| Name the 3 dura extensions |
|
Definition
1. Falx Cerebri
2. Falx cerebelli
3. Tentorium cerebelli |
|
|
Term
| Where is the falx cerebri located? |
|
Definition
| Between the two cerebral lobes |
|
|
Term
| (T/F) The falx cerebri extends into the longitudinal fissure |
|
Definition
|
|
Term
| (T/F) the falx cerebri is attached to the skull, and if true, what attaches it |
|
Definition
| True; the periosteal layer of the dura mater |
|
|
Term
| Where is the falx cerebelli located? |
|
Definition
| Between the two hemispheres of the cerebellum |
|
|
Term
| Where is the tentorium cerebelli located? |
|
Definition
| Between the cerebellum and the cerebral hemispheres |
|
|
Term
| What forms the dural (venous) sinuses? |
|
Definition
| The gap between the inner and outer dura layers |
|
|
Term
| What is the function of the dural sinuses? |
|
Definition
| To collect blood draining from the brain and redirect it to the veins of the neck for recirculation by the heart |
|
|
Term
| Name the three dural sinuses |
|
Definition
1. Superior sagittal
2. Inferior sagittal
3. Transverse |
|
|
Term
| Which dural sinus is most significant |
|
Definition
|
|
Term
| The loose covering of the brain is the ______ _______. |
|
Definition
|
|
Term
| The space between the arachnoid and pia mater is the? |
|
Definition
|
|
Term
| What does the subarachnoid space contain? |
|
Definition
|
|
Term
| (T/F) the entirety of the CNS is surrounded by CSF |
|
Definition
|
|
Term
| The meningeal layer that clings tightly to the brain is the ______ _____. |
|
Definition
|
|
Term
| Where do the meningeal layers of the brain become continuous with the meningeal layers of the spinal cord? |
|
Definition
|
|
Term
| (T/F) the epidural space always exists in the brain |
|
Definition
|
|
Term
| Fluid filled cavities within the brain are called? |
|
Definition
|
|
Term
| (T/F) All ventricles are connected to each other, the central canal, and subarachnoid space |
|
Definition
|
|
Term
| Name the 3 ventricles within the brain |
|
Definition
1. Right/Left lateral Ventricles
2. 3rd ventricle
3. 4th ventricle |
|
|
Term
| Where are the lateral ventricles located? |
|
Definition
| Deep within the CNS, just superior to the basal ganglia |
|
|
Term
| The shape of the lateral ventricles is described as being |
|
Definition
|
|
Term
| Name the 4 distinct parts of a lateral ventricle |
|
Definition
1. Body
2. Anteior horn
3. Posterior horn
4. Inferior horn |
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Term
| The body of the ventricle is localized to what lobe? |
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Definition
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Term
| The anterior horn of the ventricle is localized to what lobe? |
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Definition
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Term
| The posterior horn of the ventricle is localized to what lobe? |
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Definition
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Term
| The inferior horn of the ventricle is localized to what lobe? |
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Definition
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Term
| What structure connects the lateral ventricles to the 3rd ventricle? |
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Definition
| Interventricular foramen (Foramen of munro) |
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Term
| Where is the 3rd ventricle located? |
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Definition
| In the diencephalon, between the thalamic hemispheres |
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Term
| The "eye of the bird" of the third ventricle is localized to which thalamic structure? |
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Definition
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Term
| The 3rd ventricle is described as a _____ ______. |
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Definition
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Term
| The roof of 3rd ventricle is formed by the? |
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Definition
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Term
| The floor of the 3rd ventricle is formed by the? |
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Definition
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Term
| Which structure connects the 3rd and 4th ventricles? |
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Definition
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Term
| The cerebral aqueduct runs through the _____ of the brains tem |
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Definition
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Term
| Where is the 4th ventricle located? |
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Definition
| Behind the pons and in front of the cerebellum |
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Term
| Describe the shape of the 4th ventricle |
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Definition
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Term
| (T/F) the 4th ventricle is continuous with the central canal and subarachnoid space |
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Definition
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Term
| Which structure separates the lateral ventricles? |
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Definition
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Term
| The formation of the CSF is through which structure? |
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Definition
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Term
| Which ventricles contain a choroid plexus? |
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Definition
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Term
| What does the choroid plexus consist of? |
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Definition
| Ependymal cells and blood vessels |
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Term
| (T/F) the choroid plexus creates CSF for the entire CNS |
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Definition
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Term
| (T/F) the production of CSF occurs 24/7 |
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Definition
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Term
| (T/F) the ventricle system is a closed system |
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Definition
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Term
| How often is the entire volume of CSF replaced? |
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Definition
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Term
| How much CSF is produced daily? |
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Definition
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Term
| Which structure allows the CSF to re-enter circulation? |
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Definition
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Term
| The arachnoid granulations allow the CSF to enter which structure? |
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Definition
| Superior sagittal dural sinus |
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Term
| Arachnoid granulations are formed by what? |
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Definition
| The arachnoid mater penetrating the dura mater |
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Term
| (T/F) there is 24/7 production and removal of CSF, and production rates ='s removal rate |
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Definition
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Term
| What is a common result of CSF blockage/buildup? |
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Definition
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Term
| Through what structures does the arterial blood reach the brain? |
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Definition
| The Internal carotid arteries and the vertebral arteries |
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Term
| How do the internal carotid arteries enter the skull? |
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Definition
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Term
| How many internal carotid arteries are there? |
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Definition
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Term
| How do the vertebral arteries enter the skull |
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Definition
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Term
| How many vertebral arteries are there? |
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Definition
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Term
| The vertebral arteries fuse to form which artery? |
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Definition
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Term
| Where does the basilar artery lie? |
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Definition
| Basilar groove of the pons |
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Term
| How does the basilar artery end? |
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Definition
| By dividing into the posterior cerebral arteries |
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Term
| How do the internal carotid arteries end? |
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Definition
| Gives rise to the anterior and middle cerebral arteries |
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Term
| Which arteries connects the anterior cerebral arteries? |
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Definition
| The anterior communicating arteries |
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Term
| Which arteries connect the posterior cerebral arteries to the internal carotids |
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Definition
| The posterior communicating arteries |
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Term
| What is the idea behind the Circle of Willis? |
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Definition
| o If a blood supply from one of the main pairs of vessels is compromised, it is believed that the flow of blood through the uncompromised pair of blood vessels will be enough to sustain the brain until it is fixed |
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Term
| How long can the brain survive if its blood supply is cut off? |
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Definition
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Term
| (T/F) there will be immediate responses if the blood vessels are cut off |
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Definition
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Term
| Which arteries make up with circle of willis? |
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Definition
| Anterior cerebral, anterior communicating, internal carotid, posterior communicating and posterior cerebral |
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Term
| Where are the dorsal root ganglia located? |
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Definition
| In between pedicles of adjacent vertebrae |
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