Studied by 0 people
Looks like no one added any tags here yet for you.
What does the CNS contain?
Brain and Spinal cord
What does the PSN contain?
12 pairs of cranial nerves, 31 pairs of peripheral nerves
What is letter A?
Dendrite
What is letter B?
Soma
What is letter C?
Nucleus
What is letter D?
Nucleolus
What is letter E?
Axon hillock
What is letter F?
Axon
What is letter G?
internodes
What is letter H?
Nodes of Ranvier
What is letter i?
myelin sheath
What is letter J?
Schwann cells
What is letter K?
Terminal arborization
What is letter L?
synaptic knobs
Function of axon
transmit impulses
function of dendrites
receives signals
function of Nissl bodies
protein synthesis
function of neuroplasm
provides support and nourishment to the neuron
function of neurolemma
insulates the axon
function of nucleolus
produces ribosomes for protein synthesis
Schwann cells
produce myelin sheath, regeneration of damages axons (PNS)
Satellite cells
regulate environment around neurons (PNS)
Astrocyte
Provide structure and blood brain barrier (CNS)
Microglia
Act as the primary immune defense in CNS
Oligodendrocyte
Form myelin sheath around axons in CNS
Ependymal Cells
Line the ventricles of the brain and produce cerebrospinal fluid (CNS)
What are plexus?
bundle of nerves w function
Grey matter
neuron cell body w/o myeline
White matter
myelinated axons
What is letter a?
posterior median sulcus
What is letter b?
dorsal horn
What is letter c?
gray commissure
What is letter d?
lateral column
What is letter e?
Lateral horn
What is letter f?
Ventral horn
What is letter g?
anterior median fissure
What is letter h?
ventral column
What is letter i?
Ventral root of spinal nerve
What is letter j?
spinal nerve
What is letter k?
dorsal root ganglion
What is letter L?
dorsal root of spinal nerve
What is letter m?
dorsal column
What is letter n?
central canal
afferent neurons
transmit sensory info from receptors in body to CNS
efferent neurons
transmits info from CNS to muscles, glands, etc + allows for voluntary and involuntary actions
Note 
Flashcard (90)