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Canine Anatomy - Cranial Nerve
Cranial Nerves
35
Other
Not Applicable
11/04/2005

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Term
A nerve carrying somatic motor fibers to voluntary muscle. Carry ANS sympathetic motor fibers
Definition
Motor nerve
Term
A nerve carrying only somatic sensory fibers to the brain
Definition
Sensory nerve
Term
Nerve carrying both somatic sensory and motor fibers. Also carry ANS sympathetic motor fibers
Definition
Mixed nerve
Term
Nerve carrying special sensory fibers associated with smell, vision, hearing, or taste (special senses)
Definition
Special sensory nerve
Term
Autonomic Nervous System (ANS) innervates
Definition
Smooth muscle, cardiac muscle, glands
Term
Which nerve branches carry sympathetic fibers?
Definition
All spinal and most cranial nerves
Term
Cranial Nerves
Definition
I – Olfactory
II – Optic
III – Oculomotor
IV – Trochlear
V – Trigeminal
VI – Abducent
VII – Facial
VIII – Vestibulocochlear
IX – Glossopharyngeal
X – Vagus
XI – Accessory
XII – Hypoglossal
Term
Innervates ciliary and pupil sphincter muscles, adjusts pupil size
Definition
Oculomotor (CN III)
Term
Responsible for eye movement and innervation of the dorsal oblique muscle
Definition
Trochlear (CN IV)
Term
Largest CN
Definition
Trigeminal (CN V)
Term
Branches of the trigeminal nerve
Definition
Opthalmic
Maxillary
Mandibular
Term
Innervates skin of forehead and cornea
Definition
Opthalmic
Term
Branches of Maxillary nerve
Definition
Infraorbital
Superior alveolar
Term
Branches of Mandibular nerve
Definition
Auriculotemporal
Buccal
Lingual
Inferior alveolar
Mylogyoid
Mental
Term
Innervates skin of nose, face, and oral cavity
Definition
Infraorbital
Term
Innervates upper teeth
Definition
Superior alveolar
Term
Innervates skin of ear
Definition
Auriculotemporal
Term
Innervates lower cheek and jaw
Definition
Buccal
Term
Innervates tongue
Definition
Lingual
Term
Innervates lower teeth
Definition
Inferior alveolar
Term
Innervates the mylohyoid muscle
Definition
Mylohyoid
Term
Innervates the skin of chin
Definition
Mental
Term
Responsbile for eye movement and innervates the lateral rectus and retractor bulbi muscles
Definition
Abducent (CN VI)
Term
Branches of the facial nerve (CN VII)
Definition
Auriculopalpebral
Dorsal and ventral buccal branches
Chorda tympani
Major petrossal
Term
Innervates the eyelid
Definition
Auriculopalpebral
Term
Innervates the muscles of facial expression
Definition
Dorsal and ventral buccal branches
Term
Innervates taste to rostral 2/3 of tongue
Definition
Chorda tympani
Term
Innervates the lacrimal gland, mandibular, and sublingual salivary glands
Definition
Major petrossal
Term
Two divisions of vestibulocochlear nerve (CN VIII)
Definition
Vestibular (head movement in relation to gravity) and Cochlear (hearing)
Term
Innervates pharyngeal muscles, taste, salivation and carotid sinus
Definition
Glossopharyngeal (CN IX)
Term
Innervates larynx , pharynx, and supplies ANS to viscera of thorax and abdomen
Definition
Vagus (CN X)
Term
Branches of vagus nerve (CN X)
Definition
Cranial laryngeal
Caudal laryngeal (recurrent laryngeal)
Term
“Roaring” is caused by
Definition
Damage to the recurrent laryngeal nerve
Term
Innervates neck muscles
Definition
Accessory (CN XI)
Term
Innervates tongue muscles
Definition
Hypoglossal (CN XII)
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