Transport Mechanisms Flashcards
(24 cards)
what is the soma of the neuron made up of?
neurotransmitters
what is another term for axon
endoneural tube
what are the fastest fibers
what are second
A fibers
C fibers
A fibers are the fastest
which certain kind of A fibers is faster
alpha faster
beta fast
A fibers detect what
quick stabbing and sharp muscle proprioceptors
what is the size of an A fiber
large
what fiber is myelinated
A
what is the size of C fibers
small
what fiber is unmyelinated
C
A (fastest) and C (fast) are both which type impulse
message impulse
what is the group of nociceptors and lamina are associated with A fibers
group 3
lamina 2 and 4
pain goes up and down what tract
tract of lissauer
what are the two different transport mechanisms for neurons?
message - FAST - axon
trophic - SLOW/AXT - microtubular network
which fibers are found in joints
A fibers
which fibers are found in viscera
C fibers
what group of nociceptors and lamina is associated with C fibers
group 4
lamina 2
what fiber is associated with convergence? withdrawal reflex?
convergence - C fibers
withdrawal reflex - A fibers
how fast do A fibers travel
10-30 meters per second
substance P and inflammation are associated with which fibers
C fibers
what are the different types of SLOW axoplasmic transport (trophic)
antegrade - fast
retrograde - slow
how fast are axoplasmic transport trophic antegrade fibers
400 mm per day
how fast are axoplasmic transport trophic retrograde fibers
1-3 mm per day
what terms are associated with fast antegrade axoplasmic transport
feeding - protein/sugar proximal to distal fast axoplasmic transport bulk slow
what terms are associated with slow retrograde axoplasmic transport
terminals to cell body recycling neuroplasticity collateral fibers slower
