Brain Stuff Practical 2

Olfactory

I, sensory, smell

Optic

II, sensory, vision

Oculomotor

III, motor, 4 of the 6 extrinsic eye muscles, pupil muscles, ciliary muscles, eyelid muscles

Trochlear

IV, motor, superior oblique extrinsic eye muscles

Trigeminal

V, mixed, general sensory skin, nose, mouth, teeth, ear, muscles for chewing

Abducens

VI, motor, lateral rectus extrinsic eye muscles

Facial

VII, mixed, taste for anterior tongue, muscles of facial expression

Vestibulocochlear

VIII, sensory, hearing and balance

Glossopharyngeal

IX, mixed, general sensory taste for posterior tongue, general sensory of pharynx, visceral sensory of carotid bodies, one muscle of the pharynx

Vagus

X, mixed, visceral sensory thoracic and abdominal organs, general sensory external auditory meatus, tympanic membrane, pharynx and larynx, most muscles of pharynx and larynx

Accessory

XI, motor, trapezius and sternocleidomastoid muscles

Hypoglossal

XII, motor, intrinsic and extrinsic tongue muscles

Cribiform plate

Olfactory n. (CNI)

Optic canal

Optic n. (CNII)

Superior Orbital fissure

Oculomotor n., Trochlear n., Abducens n.

Internal acoustic meatus

Facial n., Vestibulocochlear n.

Jugular foramen

glossopharyngeal n., vagus n., accessory n.

Hypoglossal canal

hypoglossal n. (CNXII)