Shared Flashcard Set

Details

Cranial Nerves
Cranial nn., routes and exam techniques
15
Veterinary Medicine
Post-Graduate
10/30/2009

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
Cranial Nerve I
Definition

Olfactory nerve

Cribriform plate

Olfaction

 

Cotton ball with alcohol

Term
Cranial nerve II
Definition

Optic

Optic canal

Vision

 

Menace response (afferent), obstacle challenge, PLR (afferent), tracking response

Term
Cranial nerve III
Definition

Oculomotor nerve

Orbital fissure

D,M,V rectus mm., ventral oblique m., levator palpebrae superioris & iris sphincter m

 

Tracking, lateral strabismus, droopy eyelid, PLR (efferent) incl. contralaterally

Term
Cranial nerve IV
Definition

Trochlear nerve

Orbital fissure

Dorsal oblique m.

 

oblique deviation of pupil (not testable with round pupil)

Term
Cranial nerve V
Definition

Trigeminal nerve

Opthalmic br.: orbital fissure

Maxillary br.: round & rostral alar foramina

Mandibular br.: oval foramen

Palpebral reflex & mastication mm.

Term

Cranial nerve V

Branch 1

Definition

Opthalmic branch of V

Orbital fissure

globe, periorbita, nasal mucosa, medial palpebra

palpebral reflex, medial canthus (afferent)

Term
Cranial nerve V, branch 2
Definition

Maxillary branch

Round and Rostral alar foramina

Upper lip, nasal mucosa, lateral palpebra

palpebral reflex, lateral canthus, upper lip sensation

Term
Cranial nerve V, branch 3
Definition

Mandibular branch

Oval foramen

Muscles of mastication, lower jab and auriculotemporal region

Sensation to lower lip, atrophy of masticators

Term
Cranial nerve VI
Definition

Abducens

Orbital fissure

Lateral tracking, medial strabismus

Term
Cranial nerve VII
Definition

Facial nerve

Stylomastoid foramen, internal acoustic meatus

facial expression, drooling, palpebral reflex

Term
Cranial nerve VIII
Definition

Vestibulocochlear nerve

Internal acoustic meatus

Hearing, vestibular signs: nystagmus, tilt, circling...

Term
Cranial nerve IX
Definition

Glossopharyngeal nerve

Jugular foramen, tympanooccipital fissure

gag reflex, swallowing

Term
Cranial nerve X
Definition

Vagus nerve

Jugular foramen, tympanooccipital fissure

 

tachycardia, reduced gut sounds, gag reflex

Term
Cranial nerve XI
Definition

Spinal Accessory nerve

Jugular foramen, tympanooccipital fissure

atrophy of traps, omo, sterno- & cleidocephalicus; motor to larynx (recurrent laryngeal n.)

Term
Cranial nerve XII
Definition

Hypoglossal nerve

Hypoglossal canal

 

Tongue tone; drinking/lapping

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