transport mechanisms Flashcards
The soma of a neuron is full of what?
neurotransmitters
Myelinated neurons contain what structures allowing the synapse to travel much quicker down the axon?
nodes of ronvier
Is a thick myelinated nerve more or less sensitive to compression than a thick unmyelinated nerve?
more
what part of the transport mechanism deals with message impulses?
axon
what part of the transport mechanism deals with trophic or food of the signal?
micro tubular network
what are the fastest fibers? and what sensation are they responsible for?
A-alpha….then A-beta
- quick, stabbing, sharp proprioception
which fibers are large, myelinated, and fast?
A fibers
Which fibers are part of the group 3 nociceptors?
A fibers
What lamina do A fibers travel to in the cord?
lamina 2 and 4
Pain goes up and down what spinal tract?
tract of Lissauer
What fibers are slightly slower than A fibers? and what sensation are the responsible for?
C fibers
- deep burn and achy
What fibers are small and unmyelinated?
C fibers
Which fibers are part of the group 4 nociceptors?
C fibers
What lamina do C fibers travel to in the cord?
just lamina 2
What fibers are responsible for CONVERGENCE?
C fibers
