Cranial Nerves Flashcards
Olfactory
Afferent
Carries input from receptors in olfactory neuroepithelium
Optic
Afferent
Carries input from receptors in eye
Oculomotor
Efferent and afferent
Innervates skeletal muscles of eye ball (up, down, medically) and eye lid
Innervates smooth muscles of pupil and alter lens shape
Transmits info from receptors in muscles
Trochlear
Efferent and afferent
Innervates skeletal muscles that move eyeball downward and laterally
Transmits info from receptors in muscles
Trigeminal
Efferent and afferent
Innervates skeletal chewing muscles
Transmits info from skin receptors, skeletal muscle of face, nose, mouth
Abducens
Efferent and afferent
Innervates skeletal muscles that move eyeball literally
Transmits info from receptors in muscles
Facial
Efferent and afferent
Innervates skeletal muscle of facial expressions and swallowing
Vestibulocochlear
Afferent
Transmits info from receptors in ear
Glossopharyngeal
Efferent and afferent
Innervates skeletal muscles of swallowing and salivary glands
Info from taste buds at back of tongue
Vagus
Efferent and afferent
Innervates skeletal muscles of pharynx, larynx, smooth muscle, glands of thorax and abdomen
Info from receptors in thorax and abdomen
Accessory
Efferent
Innervates neck skeletal muscles
Hypoglossal
Efferent
Innervates skeletal muscles of tongue