nervous system test

label the neuron

nucleus; axon; myelin sheath; Schwann cell; axon terminal; node of ranvier; cell body; dendrite

label the neuron

body (soma); dendrite; axon hillock; axon; nissl bodies; nucleus; axon terminal

label the axon model

axon; mitochondria; schwann cell; node of ranvier; myelin sheath; neurolemma

label the axon model

axon; neurolemma; endoneurium

label the spinal cord (+white or gray matter)

dorsal column (white); lateral column (white); ventral column (white); dorsal horn (gray); ventral horn (gray); lateral horn (gray); gray commissure; central canal; dorsal median sulcus; ventral median fissure

label the spinal nerve roots

dorsal nerve roots; dorsal root ganglion; ventral nerve roots; spinal nerve

label the meninges

dura mater; arachnoid; pia mater

list order of meninges + spaces

epidural space → dura mater → subdural space → arachnoid mater → subarachnoid space → pia mater

label

skin; aponeurosis; periosteum; bone; dura mater, arachnoid, pia mater

white matter =

myelinated axons (dorsal lateral, ventral column)gra

gray matter =

unmyelinated (dorsal, ventral, lateral horn)

dorsal

afferent/sensory

what bridges the left & right sides of the spinal cord’s gray matter?

gray commissure

what protects/insulates the brain & houses the CSF?

meninges

dura mater

outermost, most tough/durable meninge

arachnoid mater

spider-like meninge; anchors to pia mater

within pia mater sits the _____

capillary beds

label the meninges of the spine

spinal cord; pia mater (spine); arachnoid mater (spine); dura mater (spine)

label

cauda equina

label

brachial plexus; cervical plexus; phrenic nerve; intercostal nerve

label

lumbar plexus; radial nerve; median nerve; ulnar nerve; sacral plexus; lateral femoral cutaneous nerve; sciatic nerve; femoral nerve

label

common peroneal nerve; superficial peroneal nerve; deep peroneal nerve; saphenous nerve; common peroneal nerve; sural nerve; tibial nerve; deep peroneal nerve

label the eye

retina; optic disc; blood vessels; muscle; iris; pupil; lens; cornea; sclera; chorioi

label the eye

pupil; lens; posterior + anterior chamber (anterior cavity); cornea; iris; canal of schlemm; ciliary body; ora serrata; posterior cavity (vitreous chamber); suspensory ligaments

label the eye model

sclera; iris; pupil; cornea; lateral/medial rectus muscle; superior rectus muscle

label the eye model

choroid; sclera; cornea; pupil; iris

label the interior eye

retina; posterior cavity; anterior cavity; sclera; optic nerve (cranial nerve II)

label

lens; choroid; sclera; optic nerve

label the external ear

semicircular canals; tympanic membrane; external acoustic/auditory meatus; auricle (pinna)

label the middle ear

cochlea; stapes; eustachian tube; malleus; ear canal; tympanic membrane; incus; vestibule; semicircular canals

label the middle/inner ear

vestibular branch of cranial nerve VIII; cochlear branch of CN VIII; vestibule; cochlea; eustachian tube; tympanic membrane; malleus; incus; stapes; semicircular canals