CNS Flashcards
Doral horn has what type of fibers
sensory affarent
Ventral horn has what type of fibers
motor efferent
Interolateral horn has what type of fibers
autonomic
Alar plates have what type of n?
sensory affarent
Basilar plates have what type of n?
motor efferent
What do A-alpha n fibers transmit?
proprioception
What do A-beta n fibers transmit?
touch
What do A-delta n fibers transmit?
pain, temp (1st pain)
What do C n. fibers transmit?
pain, temp, itch (2nd pain)
What n. fibers are unmyelinated?
C
SNS fiber characteristics
short pre
long post
PNS fiber characteristics
long pre
short post
What to alpha-1 receptors innervate?
VSM = vasoconstriction
What do alpha-2 receptors innervate?
presynaptic n. terminals platelets fat cells GI tract = inhibition
What do Beta-1 receptors innervate?
heart (inc HR and contractility)