130 likes | 274 Views
Cranial Nerves. Quiz on Tuesday 1/24!. Olfactory (I) & Olfactory Bulb. Purely sensory Smell. Optic (II) & Optic Chiasma. Purely sensory Vision. Oculomotor (III). Sensory and motor (“mixed”) Eye & eyelid movement
E N D
Cranial Nerves Quiz on Tuesday 1/24!
Olfactory (I) & Olfactory Bulb • Purely sensory • Smell
Optic (II) & Optic Chiasma • Purely sensory • Vision
Oculomotor (III) • Sensory and motor (“mixed”) • Eye & eyelid movement • Eye muscles: inferior oblique, superior, inferior, & medial rectus muscles • Pupil constriction • Lens shape
Trochlear (IV) • Motor and sensory (“mixed”) • Eye movement • Eye muscles: superior oblique muscle
Trigeminal (V) • Sensory and motor (“mixed”) • Somatosensory information (touch, pain) from the face and head. • Face muscles. • Anterior scalp muscles. • Muscles for chewing.
Abducens (VI) • Motor • Eye movement • Eye muscles: lateral rectus of eye
Facial (VII) • Motor and sensory (“mixed”) • Taste (anterior 2/3 of tongue) • Lacrimal and salivary glands • Somatosensory information from ear • Controls muscles used in facial expression.
Vestibulocochlear (VIII) • Sensory • Hearing • Balance/equlibrium
Glossopharyngeal (IX) • Motor and sensory (“mixed”) • Controls some muscles used in swallowing. • Pharyngeal muscles & tongue • Taste (posterior 1/3 of tongue) • Somatosensory information from tongue, tonsil, pharynx • Carotid artery
Vagus (X) • Sensory, motor and autonomic functions of viscera (glands, digestion, heart rate) • Pharynx and larynx • Heart • Smooth digestive organs
Accessory (XI) • Motor and sensory • Controls muscles used in head movement. • Sternocleidomastoid and trapezius muscles
Hypoglossal (XII) • Motor and sensory (“mixed”) • Controls muscles of tongue • Sensory fibers of tongue