Functions

BRAIN

100

Axon

Dendrites 

Axon Hillock

Axon: propagates action potential 

Dendrites: pick up stimulus for action potential 

Axon Hillock: starting point for action potential 

200

Telencephalon:  

Diencephalon: 

Mesencephalon:

Metencephalon:

Myelencephalon:

Cerebrum

Thalamus,Hypothalamus, epithalamus 

Midbrain 

Pons and cerebellum 

Medulla oblongata 

300

Functional areas of the cerebral cortex and Lobe

Primary motor cortex, premotor cortex, prefrontal cortex, motor speech 

Primary sensory cortex, somatic sensory association area, wernicke's area 

primary motor: controls movement 

premotor: coordinates movement 

prefrontal: planning decisions 

Brocas: speech articulation and language

primary sensory: senses touch, pain, temp

somatosensory: interpretes sensations 

wernickes: understands speech and written languages 

400

what cells are in the Ventricles?

Choroid plexus which produces CSF

500

function of thalamus, hypothalamus, and mammillary body.

Thalamus: relay sensory information to the cerebral cortex 

Hypothalamus: regulates homeostasis and produces/ releases hormones through pituitary gland. 

Mammillary body: feeding reflexes

CRANIAL NERVES

100

name all the cranial nerves 1-12

olfactory nerve 

optic nerve 

oculomotor nerve 

trochlear nerve 

trigeminal nerve 

abducens nerve 

facial nerve 

vestibulocochlear nerve 

glossalpharyengeal nerve 

vagus nerve 

accessory nerve 

hypoglossal nerve 

200

Primary function: LIST MOTOR,SENSORY, OR BOTH

Olfactory: 

Optic nerve 

Oculomotor nerve 

Trochlear nerve

olfactory: SENSORY: SMELL

optic: SENSORY: VISION

oculomotor: MOTOR: EYE MOVEMENT 

trochlear: MOTOR EYE MOVEMENT 

300

Primary function: LIST MOTOR,SENSORY, OR BOTH

trigeminal: 

abducens: 

facial: 

vestibulocochlear:

trigeminal: FACIAL SENSATIONS (BOTH)

abducens: EYE MOVEMENT (MOTOR)

facial: FACE/TASTE (BOTH)

vestibulocochlear: HEARING/ BALANCE (SENSORY)

400

Primary function: LIST MOTOR,SENSORY, OR BOTH

glossalpharyngeal: 

vagus: 

accessory: 

Hypoglossal:

glossalpharyngeal: SWALLOWING/MOUTH (BOTH)

vagus: REGULATION OF CARDIOVASCULAR FUNCTION/ GI TRACT (BOTH)

accessory: MUSCLES OF NECK AND UPPER BACK (MOTOR)

Hypoglossal: TONGUE MOVEMENT (MOTOR)

500

cervical enlargement extends and ends where? 

Lumbar enlargement extends and ends where? 

AND how many pairs of nerves are in: 

cervical: 

Thoracic: 

Lumbar: 

Sacral:

cervical enlargement: C4 to T1

Lumbar enlargement: T9 to T12

cervical: 8

Thoracic: 12

Lumbar: 5

Sacral: 5

Eye

100

Lacrimal glands 

Conjuctiva 

Levator palpebrae superioris muscle 

Lacrimal glands: makes lacrimal fluid which drains into lacrimal ducts 

Conjuctiva: lubricates the eye/ results to pink eye when inflammed

Levator palpeerde superioris muscle: controls upper eyelid

200

Corena & sclera 

what tunic are these?

FIBROUS TUNIC

cornea: focuses light onto the retina 

sclera: protects inner eye 

300

Choroid:

iris:

lens:

what tunic are these in?

Choroid: nourishment to the retina 

iris: regulate amount of light entering the eye 

lens: alter shape to focus light

VASCULAR TUNIC

400

optic disc: 

Macula lutea: what does it consist of ?

Fovea: 

Which tunic are these in? 

optic disc: "blind spot" 

Macula lutea: CONS

Fovea: visual acuity 

NEURAL TUNIC

500

anterior cavity: 

Posterior cavity: 

which liquid is in both?

anterior cavity: 

aqueous humor fluid & drained via sclera venous sinus 

Posterior cavity: vitreous humor