Exam 3: Canine Cranial Nerves Flashcards
how does CN 9, 10, and 11 leave the skull
jugular foramen and tympanooccipital fissure
What is the acronym for memorizing the cranial nerves?
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What are the 3 branches of the maxillary division of CN V?
ZIP
Zygomatic
Infraorbital
Pterygopalatine
Where does CN 6 (abducent n.) provide somatic motor innervation?
lateral rectus and retractor bulbi mm.
Taste is processed by which 3 CN?
Facial n. (7)
Glossopharyngeal n (9)
Vagus n. (10)
Where does the maxillary division of CN V go and what does it innervate?
to rostral alar foramen
innervates sensory from nasal mucosa, upper teeth, gums, lips, nose
the _____ n. is primarily motor and innervates the muscles of the neck and larynx
accessory n. (11)
CN that transmits impulses associated with smell, including pheromone perception
CN1 olfactory n.
Which n. provides (sensory) taste, carotid sinus and salivary glands
CN 9
what does CN 10 innervate?
phayrngeal muscles
where does CN 3 (oculomotor n.) transmit motor innervation?
ventral oblique, dorsal and ventral medial rectusmm
levator palpebrae superiorism.
Where does the mandibular division of CN V go and what does it innervate?
to the oval foramen
innervates sensory to ear, face, cheek, tongue, lower teeth, gums lips
innervates motor to mm. of mastication
Which a. courses with cn 12?
lingual a.
The facial n. (CN 7) enters the facial canal through the _____, courses through the facial canal, and emerges from the _______ foramen
internal acoustic meatus,
stylomastoid
Where does CN 4 (trochlear n.) provide somatic motor innervation?
dorsal oblique
Is CN 10 motor or sensory innervation?
both
the _____ n is primarily motor to the muscles of the tongue
Hypoglossal (12)
Where does CN 3 (oculomotor n.) provide visceral motor innervation?
intrinsic m. of the eye
What are the 3 divisions of the Trigeminal n. (CN V)
- ophthalmic
- Maxillary
- Mandibular
where does the optic n originate?
optic disk
which n. provides taste to the rostral 2/3 of the tongue
CN VII
What are the 2 parts of CN 8
- vestibular n
2. cochlear n.
Mylohyoid n. cutaneous zone
intermandibular region
What are the 5 Branches of the mandibular divison of CN V.?
B-LIMA
Buccal n. Lingual n. Inferior alveolar n. Mylohyoid n. Auriculotemporal n.
Which nn. will extend through the orbital fissure?
- oculomotor
- Trochlear
- abducent n.
- opthalmic br. of CN V
Inferior alveolar n. cutaneous innervation
mental nerves
teeth
Where does the ophthalmic division of CN V go and what does it innervate?
to the orbital fissure
innervates sensory to the eyes, eyelids, scalp, forehead
What does CN 9 provide motor innervation to?
stylopharygeus and salivary glands
Buccal n. cutaneous innervation
cheek
Which n. transmits impulses associated with equilibrium and hearing
CN 8
What are the 3 branches of the ophthalmic division of CN V.?
NFL
Nasociliary
Frontal
Lacrimal
CN that transmits visual impulses in response to light stimuli
CN 2 optic n.
the parasymphathetic ganglia of the head include ganglia from which 3 nerves:
- CN III
- CN VII
- CN XI
auriculotemporal n cutaneous innervation
external ear, temporal, zygomatic, masserteric regions
What is the acronym for memorizing sensory vs. motor for cranial nerves
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