Term
- The ____ nerve (___) innervates the muscles of facial expression.
- The _____ nerve (CN ___ - _____ portion ____) innervates the muscles of mastication.
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Definition
- The Facial nerve (CN VII) innervates the muscles of facial expression.
- The Trigeminal nerve (CN V - mandibular portion V3) innervates the muscles of mastication.
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Term
| Facial Nerve (CN 7) emerges from the skull through the _____ and enters the _____. Gives rise to 5 terminal branches: _____, _____, _____, _____, and _____ |
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Definition
- emerges from skull thru the stylomastoid foramen
- enters the parotid gland
- gives rise to five terminal branches:
- temporal
- zygomatic
- buccal
- mandibular
- cervical
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Term
Sensory innervation of the face is primarily thru the three branches of the _____. |
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Definition
Sensory innervation of the face is primarily thru the three branches of the Trigeminal Nerve. |
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Term
| 3 branches of the trigeminal nerve: |
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Definition
ophthalmic n.
maxillary n.
mandibular n. |
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Term
- Ophthalmic Nerve
- superior division; smallest of three branches
- _____ n.:
- supraorbital
- supratrochlear
- _____
- _____
- enters the orbit thru the _____
- supplies the skin of the _____, _____, and _____
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Definition
- Ophthalmic n.
- superior division; smallest of three branches
- frontal n.:
- supraorbital
- supratrochlear
- nasociliary
- lacrimal
- enters the orbit thru the superior orbital fissure
- supplies the skin of the forehead, upper eyelid, and nose
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Term
- Maxillary nerve:
- intermediate division
- _____ br.
- _____ br.
- _____ br.
- supplies skin over _____, _____, _____ _____, _____
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Definition
- Maxillary nerve:
- intermediate division
- infraorbital br.
- zygomaticofacial br.
- zygomaticotemporal br.
- supplies skin over lateral nose, upper lip, lower eyelid, zygomatic bone, temporal region
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Term
- Mandibular nerve: only division that has motor and sensory
- _____ division
- also supplies motor fibers to the _____
- sensory supply to _____, _____, _____, _____
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Definition
- Mandibular nerve: only division that has motor and sensory
- inferior division
- also supplies motor fibers to the muscles of mastication
- sensory supply to skin of chin, lower lip, cheek, temporal area
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