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CN V--Trigeminal
N/A
16
Anatomy
Professional
10/17/2008

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Cards

Term

type

Definition
mixed
Term
peripheral processes convey:
Definition

somatosensory information from the face

Term
central processes terminate in:
Definition
sensory trigeminal nucleus in brainstem
Term
motor body of origin
Definition
trigeminal motor nucleus
Term
divisions:
Definition

V1 sensory only

V2 sensory only

V3 motor and sensory both

Term

V1 division name:

innervates:

Definition
Ophthalmic division--corners of eyes up to scalp
Term

V2 division name:

innervates

Definition
maxillary division--eyes to mouth
Term

V3 division name:

innervates:

Definition
mandibular--corners of mouth to jawline
Term
V1 travels through:
Definition
cavernous sinus to superior orbital fissure to enter orbit
Term
V2 travels through:
Definition
cavernous sinus to foramen rotundum to enter pterygopalatine fossa
Term
V3 travels through:
Definition
Term
V1 divides into:
Definition

1. frontal nerve (supraorbital and supratrochlear)

2. lacrimal nerve

3. nasociliary nerve (long and short ciliary nerves)

Term
V2 divides into:
Definition

1. infraorbital n.

2. greater and lesser palatine nn.

3. zygomatic n.

4. posterior superior alveolar (teeth)

5. sphenopalatine (superior/middle concha and nasal septum)

Term
V3 divides into:
Definition

1.inferior alveolar n.

2. lingual n.

3. buccal n.

4. auriculotemporal n.

5. motor nerves

Term
CN V3 somatomotor innervates:
Definition

8 skeletal muscles muscles of mastication(masseter, temporalis, medial pterygoid, lateral pterygoid)

mylohyoid

anterior belly of digastric

tensor vali Palatini

tensor tympani

Term
sensory cell bodies of origin:
Definition

trigeminal ganglion

petrous ridge of temporal bone

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