Lab 6-7: CNS and PNS Review

Frontal lobe

Temporal lobe

Cerebellum

Occipital lobe

Parietal lobe

Precentral gyrus

Postcentral gyrus

Central sulcus

Corpus callosum

Thalamus

Hypothalamus

Midbrain

Pons

Medulla oblongata

Lateral ventricle

Third ventricle

Cerebral aqueduct

Fourth ventricle

Pitutary gland

Infundibulum

Lateral sulcus

Transverse fissure

Filum terminale

Cauda equina

Conus medullaris

Spinal cord

Gray matter

White matter

Pia mater

Arachnoid mater

Dura mater

Olfactory nerve

Olfactory nerve purpose

Carries impulses for sense of smell

Thalamus

Optic nerve

Optic nerve purpose

Moves retina of the eye

Oculomotor nerve

Oculomotor nerve purpose

Raises eyelid, constricts the iris, controls lens shape

Trochlear nerve

Trochlear nerve purpose

Directs the eyeball

Trigeminal nerve

Trigeminal nerve purpose

Controls forehead, cheek, and jaw

Abducens nerve

Abducens nerve purpose

Abducts the eye

Facial nerve

Facial nerve purpose

Senses taste from anterior two-thirds of the tongue

Auditory nerve

Auditory nerve divisions

Cochlear and vestibular

Auditory nerve purpose

Equilibrium and hearing

Glossopharyngeal nerve

Glossopharyngeal purpose (motor)

Part of tongue and pharynx (swallowing)

Glossopharyngeal purpose (sensory)

Conduct taste and sensory impulses from tongue and pharynx

Vagus nerve

Vagus nerve

Controls heart, lungs, and visceral organs

Spinal accessory nerve

Spinal accessory nerve purpose

Moves trapezius and sternocleidomastoid

Hypoglossal nerve

Hypoglossal nerve purpose

Innervates muscles of the tongue (speech)