- Sensory innervation of the faceis by the trigeminal nerve (see figure
below).
70 Anatomy, Histology, and Cell Biology
Gr. Occipital n.
[Dorsal rami]
V 1
V 2
V 3
VII
X
Cervical plexus
[ventral rami]
CN XI Foramen magnum, None Sternocleidomastoid Turn head to
(spinal jugular Upper trapezius opposite side
accessory) foramen
CN XII Hypoglossal None Intrinsic and Protrudes
(hypoglossal) canal 3/4 of extrinsic straight
tongue muscles
NERVE FUNCTIONS AND TESTS
Nerve Foramen Sensory Motor Test