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| What are the two types of neurons? |
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Definition
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Definition
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Definition
| Transmit sensory impulses |
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Definition
| Send impulses away from cell body |
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Definition
| Send impulses toward cell body. |
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Definition
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| Schwann cells produce what? |
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Definition
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| Nodes of Ranvier points where? |
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Definition
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Definition
| Neurotransmitter that enhances impulse transmission along the axon |
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Term
| What are two types of nerve cells? |
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Definition
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Definition
| feed neurons by converting blood glucose to lactic acid |
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| Microglia is responsible for what? |
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Definition
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Definition
| line fluid-filled cavities of CNS and help produce cerebrospinal fluid |
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| Oligodendrocytes do what? |
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Definition
| Provide support and produce myelin in CNS |
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Term
| What are the names of the brain lobes? |
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Definition
| Temporal, Occipital, Parietal, Frontal |
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Term
| Gyrus of the brain is what? |
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Definition
| raised area of the cerebral surface |
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Term
| Sulcus of the brain does what? |
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Definition
| the groove between the gyri |
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Term
| Blood brain barrier does what? |
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Definition
| Filters out certain substances that may be harmful to the brain |
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Term
| Lateral ventricles do what? |
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Definition
| cerebrospinal fluid begins here and leaves via foramen of Munro to third ventricle. |
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Term
| Third ventricle does what? |
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Definition
| Leaves via the aqueduct of Sylvius to fourth ventricle. |
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Term
| Fourth ventricle does what? |
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Definition
| Some fluid leaves from here to go to either the spinal cord or the cisterna magna near the medulla. |
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Term
| What is the largest portion of the brain? |
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Definition
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Definition
| largest portion of the brain-80% of brain mass, contains lobes - complex processing of sensory and motor information |
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Term
| Cerebral Cortex is in what part of the brain? |
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Definition
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Term
| Cerebral cortex description |
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Definition
| wrinkled gray matter of cerebrum - high level processing of sensory and motor information |
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Term
| Cerebral tracts area also known as? |
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Definition
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Term
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Definition
| conducts information between CNS areas |
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Term
| Cerebrum consists of what parts? |
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Definition
| Cerebral cortex, cerebral tracts and basal nuclei |
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Term
| Basal nuclei description? |
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Definition
| gray matter deep in the cerebrum - conscious motor control functions, such as walking |
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Term
| Cerebellum is responsible for what functions? |
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Definition
| muscle coordination and posture |
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Term
| Diencephalon consists of what? |
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Definition
| Thalamus, hypothalamus, infundibulum of pituitary gland attaches here, pineal gland |
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Term
| Thalamus is responsible for what? |
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Definition
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| Hypothalamus is responsible for what? |
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Definition
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Term
| Hypothalamus consists of what? |
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Definition
| Optic chiasma and mammillary bodies |
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Term
| Optic chiasma description? |
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Definition
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Term
| Mammillary bodies are responsible for what? |
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Definition
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Term
| Pineal gland is responsible for what? |
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Definition
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Term
| The mid-brain is located where? |
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Definition
| Between diencephalon and pons |
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Term
| mid-brain is responsible for what functions? |
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Definition
| eye movements, pupillary reflex, sound muffling |
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Term
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Definition
| Between the medulla and mid brain |
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Term
| What are the functions of the pons? |
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Definition
| cranial nerves V-VIII and respiration |
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Term
| Medulla oblongata is located where? |
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Definition
| Between the spinal cord and pons |
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Term
| Medulla oblongata is responsible for what? |
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Definition
| integration of cardiac muscle, vessel muscle, respiratory and digestive reflexes |
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Term
| Medulla oblongata is responsible for what? |
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Definition
| integration of cardiac muscle, vessel muscle, respiratory and digestive reflexes |
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Term
| Meninges consist of what? |
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Definition
| Dura mater, arachnoid mater, pia ater, filum terminale |
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Term
| Dura mater cosits of what 2 spaces? |
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Definition
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Term
| Epidural space is located where? |
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Definition
| between dura mater and bone of spinal cord |
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Term
| Subdural space is located where? |
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Definition
| Between dura mater and arachnoid mater |
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Term
| Arachnoid mater description? |
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Definition
| middle layer, has web-like appearance |
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Term
| Subarachnoid space is located where? |
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Definition
| between arachnoid and pia mater |
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Term
| Pia mater is located where? |
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Definition
| Attached to the outer layer of the brain and spinal cord |
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Term
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Definition
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Term
| Filum terminale description? |
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Definition
| end of pia mater that extends beyond end of spinal cord |
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Term
| Ventral nerve roots do what? |
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Definition
| Carry motor impulses away from spinal cord |
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Term
| Dorsal nerve roots do what? |
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Definition
| Carry sensory impulses to the spinal cord. |
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Term
| Denticulate or dentate ligaments description? |
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Definition
| Attach spinal cord to arachnoid and dura maters for stability |
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Term
| Conus medullaris exits spinal canal at what level? |
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Definition
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Term
| Cauda equina contains what? |
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Definition
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Term
| How many pairs of spinal nerves? |
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Definition
| 31 - 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal |
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Term
| Spinal nerves are numbered according to what? |
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Definition
| level of vertebra where they exit the spinal column |
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Term
| Dorsal and ventral roots merge to form what? |
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Definition
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Term
| dorsal root has a __________ |
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Definition
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Term
| dorsal root resides where? |
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Definition
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Term
| Dorsal and ventral rami are formed when? |
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Definition
| spinal nerve leaves spinal cavity |
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Term
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Definition
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Term
| What are the plexuses formed by the ventral rami? |
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Definition
| cervical, brachial, lumbar and sacral |
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Term
| 12 cranial nerves are numbered in what fashion? |
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Definition
| from the front of the brain to the back using Roman numerals |
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Definition
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Term
| Function of Cranial nerve I |
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Definition
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Term
| Function of Cranial Nerve II |
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Definition
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Term
| Function of cranial nerve III |
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Definition
| eye movements, pupil size, near vision |
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Term
| Function of cranial nerve IV |
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Definition
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Term
| Function of cranial nerve V |
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Definition
| Sensation of head and face, chewing movements |
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Term
| Function of Cranial nerve VI |
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Definition
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Term
| Function of cranial nerve VII |
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Definition
| facial expressions, saliva and tear secretion, taste |
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Term
| Function of cranial nerve VII |
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Definition
| facial expressions, saliva and tear secretion, taste |
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Term
| Function of cranial nerve VIII |
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Definition
| Sense of balance/equilibrium |
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Term
| Function of cranial nerve IX |
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Definition
| Tongue sensations, swallowing, secretion of saliva, blood pressure and respirations |
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Term
| Function of cranial nerve X |
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Definition
| slows heart rate, increases peristalsis, contracts vocal muscles |
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Term
| Function of cranial nerve XI |
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Definition
| Shoulder movements head turning, voice production |
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Term
| Function of cranial nerve XII |
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Definition
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Term
| Voluntary nervous system consists of what? |
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Definition
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Term
| Autonomic Nervous System consists of what? |
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Definition
| Involuntary muscle tissues and sympathetic and parasympathetic divisions |
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Term
| What are the names of the involuntary muscle tissues? |
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Definition
| Cardiac, smooth, glandular epithelia, kidneys |
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Term
| Sympathetic division controls what? |
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Definition
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Term
| Parasympathetic divsion controls what? |
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Definition
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