Shared Flashcard Set

Details

Chapter 16 cranial nerves
Cranial nerves
69
Anatomy
Undergraduate 1
04/01/2012

Additional Anatomy Flashcards

 


 

Cards

Term
Olfactory Nerve (NI)
Function
Definition
carries sensory information responsible for the sense of smell
Term
Optic Nerve (NII)
Definition
Carries visual information for special sensory receptors in the eyes
Term
Oculomotor Nerve (NIII)
Definition
primary source of innervation for the extraoccular muscles that move the eyeball
Term
Trochlear Nerve (NIV)
Definition
The smallest cranial nerve, innervates the superior oblique mucle of the eye
Term
Trigeminal Nerve (NV)
Definition
Largest cranialnerve, is a mixed nerve with opthalmic, maxillary and mandibular branch
Term
Abducens Nerve (NVI)
Definition
Innervates the 6th extrinsic oculomotor muscle, the lateral rectus
Makes lateral movement of the eyeball possible
Term
Facial Nerve (NVII)
Definition
Mixed sesory and motor. Provides deep pressure sensation over the face recieve taste over 2/3 tongue. Control superfical muscles of scalp and face and deep muscles at ear.
Term
vestibulocochlear Nerve (NVIII)
another name acoustic nerve
Definition
Primary function -sensory balance and equilibrium and hearing
Term
Glossopharyngeal Nerve (NIX)
Definition
innerates tongue and pharynx. taste postier tongue and allows swallowing
Term
Accessory Nerve (NXI)
Definition
has an internal branch, which innervates voluntary swallowing of the soft palate and pharynx, and external branch which controls muscles associated with pectoral girdle.
Term
Hypoglossal Nerve (NXII)
Definition
provides voluntary motor controlover tongue
Term
Vagus Nerve (NX)
Definition
somatic motor to muscle of the palate and pharynx
Visceral motor-torespiratory, cardiovascular and digestive organs in the thoracic and abdominal cavities
Term
Only cranial nerve directly attached to the cerebrum
Definition
Cranial Nerve 1
Term
Cranial nerve 1
orginates?
Passess through?
Destination?
Definition
Orginates-origin receptors of the olfactory epithelium
Pasees through cribriform plate of the ethmoid
destination: olfactory bulbs (neural masses that lie on either side of the crista galli
Term
Cranial Nerve -Optic nerve (CNII)
Orgin?
Passes through?
Destination?
Definition
Origin: retina of the eye
Passes through: optic canal of the shenoid
Destination: diencephalon by way of the optic chiasm
Term
Cranial Nerve CNIII Oculomotor Nerve
Orgin?
Passes through?
Destination?
Definition
Origin: mesencephalon
Passes through Orbital fissue of the sphenoid
Destination: Somatic superior, inferior and medial rectus muscles, inferior oblique muscles the lavator palpebrae superiors muscle
Term
Cranial nerves Trochlear nerve (CNIV)
Origin?
Passes through?
Destination?
Definition
Origin: Mesencephalon
Passes through superior orbital fissure of the sphenoid
Destination: Superior Oblique muscle
Term
Smallest cranial nerve
Definition
CN IV trochlear nerve
Term
Cranial nerve 5
Trigeminal Nerve
Orgin
Opthalmic branch
maxillary branch
mandibular branch
Definition
Opthalmic branch: orbital structures, nasal cavity, skin of forehead, uppereyelid, eyebrow and part of nose.
Maxillary branch: lower eye lid, upper lip, gums, teeth, cheek, nose, palate, part of pharynx
Mandibular branch: senory; lower gums, teeth lips, palate, tongue
Motor: Motor nuclei of the pons
Term
Cranial Nerve 5 Trigeminal nerve
Passes through:
Opthalmic branch
maxillary branch
mandibular branch
Definition
Opthalmic branch: superior orbital fissue
maxillary branch: foramen rotundum
mandibular branch: foramen ovale
Term
Cranial Nerve 5 Trigeminal nerve
destination:
Opthalmic branch
maxillary branch
mandibular branch
Definition
Opthalmic branch: sensory nuclei in the pons
maxillary branch: sensory nuclei in the pons

mandibular branch sensory nuclei in the pons and also the muscle of mastication
Term
Cranial Nerve Abducens Nerve (CNVI)
Orgin?
Passes Through?
Destination?
Definition
Orgin: Pons
Passes through: Superior orbital fissue of the sphenoid
Destination: Lateral rectus muscle
Term
Cranial nerves
Facial Nerve (CNVII)
Orgin:
Sensory and motor?
Definition
Orgin:
Sensory: taste receptors on the anterior 2/3 of the tongue
Motor: nuclei of the pons
Term
Cranial nerves
Facial Nerve (CNVII)

Passes through?
Definition
Passes through acoustic meatus of the temporal bone, along with the facial canal to reach the stylomastoid foramen
Term
Cranial nerves
Facial Nerve (CNVII)
Destination
Sensory
Motor
Definition
Sensory: sensory nuclei of the pons
Motor: Somatic muscles of facial expression
Visceral Lacrimal gland and nasal mucous glands, submandibular and sublingual salivary glands
Term
cranial nerves (CN VIII)
Vestibulocochlear

Orgin?
Passes through?
Destination?
Definition
Orgin: receptors of inner ear
Passes through: Internal acoustic meatus of temporal bone
Destination: Vestibular and cochlear nuclei of the pons and medulla oblongata
Term
Cranial Nerve Glossopharyngeal Nerve (CNIX) Orgin Sensory and motor?
Definition
sensory: posterior 1/3 of the tongue part of the pharynx and palate and the cartoid arteries of the neck.
Motor: Motor nuclei of the medulla oblongata
Term
Cranial Nerve Glossopharyngeal Nerve (CNIX)
Passes through?
Definition
passes through jugular foreman between the occipital and temporal bones
Term
Cranial Nerve Glossopharyngeal Nerve (CNIX)
Destination:
Sensory?
Motor?
Definition
Cranial Nerve Glossopharyngeal Nerve (CNIX)
Sensory-nuclei of the medulla oblongata
Motor- Somatic pharyngeal muscles involved in swalloeing
visceral partoid salivary gland
Term
Cranial Nerve-Vagus Nerve (CNX)
Origin-
Sensory?
Motor?
Definition
Orgin-
Sensory-part of the pharynx, auricle, external acoustic meatus, diaphragm, and visceral organs in the thoracic and abdomiopelvic cavities
Motor: Motor nuclei in the medulla oblongata
Term
Cranial Nerve-Vagus Nerve (CNX)
Passes through?
Definition
passes through jugular foremen between the occipital and temporal bone
Term
Cranial Nerve-Vagus Nerve (CNX)
Destination Sensory
Motor?
Definition
Sensory-sensory nuclei and autonmic center of the medulla oblongata
Motor? Somatic muscle of the palate and pharynx
visceral respiratory, cardiovascular and digestive organs in the thoracic and abdominal cavities
Term
Longest cranial nerve
Definition
Cranial Nerve-Vagus Nerve (CNX)
Term
Cranial Nerve-Accessory Nerve(CN XI)
Origin?
Definition
origin: motor nuceli of the spinal cord and medulla oblongata
Term
Cranial Nerve-Accessory Nerve(CN XI)
Passes through?
Definition
Passes through Juglar formen between the occiptal and temporal bones
Term
Cranial Nerve-Accessory Nerve(CN XI)
Destination? Internal and External branch
Definition
Internal branch? Voluntary muscles of the palate, pharynx, larynx
External branch: sternocleidomastoid and trapezius (along with the cervical nerve)
Term
Cranial Nerve-Hypoglossal Nerve (CN XII)
origin:
Definition
Origin-motor nuclei of the medulla oblongata
Term
Cranial Nerve-Hypoglossal Nerve (CN XII)
Passes through?
Definition
Passes through hypoglossal canal of the occiptal lobe
Term
Cranial Nerve-Hypoglossal Nerve (CN XII)
Destination?
Definition
Muscle of the tongue
Term
Name the sensory cranial nerves?
Definition
CN1- Olfactory
CNII- Optic
CN VIII-vestibulochlear
Term
Name the motor cranial nerves?
Definition
CNIII- Oculomotor
CNIV-Trochlear
CNVI-Abducens
CNXI-Accessory
CNXII-hypoglossal
Term
name of mixed cranial nerves?
Definition
CNV-Trigeminal
CN VII- Fascial
CN IX- Glossopharyneal
CNX-Vagus
all spinal nerves
Term
Functions of cerebellum
Definition
receives proprioceptive information, indicating body position from the spinal chord.
adjusts postural muscles for balance and equilibrum
Modifies the activity of the red nucleus
programming and fine tuning voluntary and involuntary movements
Term
Red nucleus
Definition
Integrates information from the cerebrum and cerebellum and issues involuntary motor commands concerned with maintenance of muscle tone and limb position. Provided with numerous blood vessels giving it a rich color
Term
Function of the Pons
Definition
Connects the cerebellum to thebrain stem
Term
What orginates in the cerebrum
Definition
conscious thought, intellectual function, memory, complex motor patterns
Term
In contrast with those of the brain, responses of spinal reflexes
A. Fine tuned
b. are immediate
c. require many processing steps
d. are sterotyped
Definition
b. Are immediate
Term
The primary link between the nervous system and the endocrine systems is the?
Definition
a. Hypothalamus
Term
Cranial blood vessells pass through the space directly deep to the ?
Definition
d. Arachnoid mater
Term
The only cranial nerves that are attached to the cerebrum are the?
Definition
olfactory
Term
The anterior nuclei of the thalmus are part of?
Definition
the limbic system
Term
The cortex inferior to the lateral sulcus is the?
Definition
temporal lobe
Term
Lying within each hemisphere inferior to the floor of the lateral ventricles is/are the?
Definition
basal nuclei
Term
Nerve fiber bundles on the ventrolateral surface of the mesencephalon are the?
Definition
cerebral peduncles
Term
Efferent tracts from the hypothalamus?
Definition
control involuntary motor activites
control autonomic function
coordinate activites of the nervous system and endrocrine system
Term
The diencephalic components of the limbic system include the?
Definition
thalamus and hypothalamus
Term
Swelling of the jugular vein as it leaves the skull could compress which of the following cranial nerves?
Definition
NIX
X
XI
Term
condition of the dysmetria often indicates damage to which brain region?
Definition
Cerebellum
Term
if damage or disease, which part of the brain would make a person unable to control and regulate the rate of respiratory movement
Definition
the respiratory rhythmicity center of the medulla
Term
Which lobe and specific area of the brain would be affected if one could no longer cut designs from construction paper?
Definition
damage would have occurred in the premotor cortex of the frontal lobe
Term
Impulses from prorioceptors must pass through specific nuclei before arriving at their destination in the brain. What are the nuclei, and what is the destination of this information?
Definition
Impulses from proprioceptors must pass through the olivary nuclei on their way to cerebellum
Term
Which nuclei are nore likely involved in the coordination movement of the head in the dirction of a loud noise
Definition
the nuclei involved in the coordinated movement of the head in the direction of a loud noice in the inferior colliculi
Term
Which cranial nerves are responsible for all the aspects of eye function?
Definition
Eye function are II, III, IV, V, and VI
Term
If an individual has poor emotional control and difficulty in remembering past events, what area of the brain might be damaged or have a lesion?
Definition
Person might have lesion in the limbic system
Term
Gray matter Pons responsible for ?
Definition
Respiratory center-Modifies the output of respiratory centers in the medulla oblongata. Changes the rate and depth of respiration
Term
Pons nuclei contain sensory and motor nuclei for what 4 cranial nerves? These cranial nerves do what?
Definition
CNV; VI; VII; VIII
these cranial nerves innervate the jaw muscles, the anterior side of the face, one of the extra-ocular muscles (lateral rectus) and organs of hearing and equilibrium in the inner ear.
Term
Mesencephalon White matter? Found and contain?
Definition
White matter-Cerebral peduncles
Found on the ventrolateral surfaces of the mesencephalon. Contain ascending fibers that synapse in the thalamic nuclei and descending fibers of the pyramidal system that carry voluntary motor commands from the primary motor cortex of the cerebral hemisphere
Term
mesencephalon gray matter
reticular formation interconnected?
Has powerful influes on?
Definition
Reticular formation-innerconnected network of nuclei that extends into the spinal cord and diencephalon.
powerful influences on broad regions of the cerebral cortex called reticular activating system which is resonsible for maintaining consciousness and awakening from sleep. A blow to the head, certain drugs and disease may damage RAS causing unconscious or coma
Term
White matter PONS of ascending; decending and transferse fibers?
Definition
Ascending and descending tracts innterconnect other portions of the CNS. Transverse fibers- provide communication between the cerebellar hemishperes
Supporting users have an ad free experience!