What does this model represent?
somatic motor neuron; multipolar
What is the blue part? Function?
Nissl bodies; to produce proteins
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What does this model represent?
somatic motor neuron; multipolar
What is the blue part? Function?
Nissl bodies; to produce proteins
synaptic end bulbs
What is this area?
soma (cell body)
nucleus
dendrites
axon hillock
axon
What is this? Function?
myelin sheath; speeds up action potential
nucleus of schwann cell
neurolemma
node of ranvier
endoneurium
soma (cell body)
neuroglial cells
What type of spinal nerve is this? How many pairs?
cervical (8 pairs)
What type of spinal nerve is this? How many pairs?
thoracic (12 pairs)
What type of spinal nerve is this? How many pairs?
lumbar (5 pairs)
What type of spinal nerve is this? How many pairs?
sacral (5 pairs)
What type of spinal nerve is this? How many pairs? (not pictured)
coccygeal (1 pair)
epidural space
dura mater
subdural space
arachnoid mater
subarachnoid space
pia mater
denticulate ligaments
cervical enlargement
cervical enlargement
thoracic segment
lumbar enlargement
lumbar enlargement
conus medullaris
conus medullaris
filum terminale
cauda equina
sympathetic chain ganglia
What is the groove here?
anterior median fissure
posterior median sulcus
posterior (dorsal) horn
posterior (dorsal) horn; R—>L
anterior (ventral) horn
lateral horn (selected models)
gray commissure
central canal
anterior column
lateral column
posterior column
white commissure
posterior (dorsal) root ganglion
What is the bulb here?
posterior (dorsal) root ganglion
posterior (dorsal) root
posterior (dorsal) root
anterior (ventral) root
anterior (ventral) root
dorsal ramus
dorsal ramus
ventral ramus
ventral ramus
rami communicantes
rami communicantes
sympathetic chain ganglia
sympathetic chain ganglia
cervical plexus – phrenic nerve
cervical plexus – phrenic nerve
brachial plexus – ulnar nerve
brachial plexus – median nerve
brachial plexus – radial nerve
lumbar plexus – femoral nerve
lumbar plexus - femoral nerve
sacral plexus – sciatic nerve
sacral plexus – sciatic nerve
dura mater folds: falx cerebri
dura mater folds: falx cerebelli
dura mater folds: tentorium cerebelli
What is D?
lateral ventricle
Imagine thin membrane separating the 2 lateral ventricles
septum pellucidum
What is C?
3rd ventricle
What is B?
cerebral aqueduct
What is A?
4th ventricle
What is below A at the very end?
central canal (spinal cord)
What is C?
midbrain
tectum (corpora quadrigemina): superior colliculus
tectum (corpora quadrigemina): inferior colliculus
What is a?
pons
medulla oblongata
intermediate mass of thalamus
hypothalamus
What is the pink bulb?
pineal gland
corpus callosum
fornix
What is A?
cerebral cortex
cerebral tracts
cerebral hemispheres
longitudinal fissure
What are these ridges?
gyri
What are these shallow grooves?
sulci
Divides parietal from frontal lobe
central sulcus
precentral gyrus
postcentral gyrus