Anatomy Flashcards
1
Q
CNS includes:
A
BRAIN & SPINAL CORD
2
Q
PNS includes:
A
NERVES & GANGLIA
3
Q
EPINEURIUM:
A
DENSE IRREGULAR CT THAT ENCLOSES NERVE; PROTECT ENTIRE NERVE
4
Q
PERINEURIUM:
A
DENSE IRREGULAR CT WRAPS EACH FASCICLE; PROVIDES SUPPORT & PROTECTION TO BLOOD VESSELS AND AXONS
5
Q
ENDONEURIUM:
A
AREOLAR CT SURROUNDS EACH AXON; SEPARATE AND ELECTRICALLY INSULATE AXONS
6
Q
What is a ganglion?
A
CLUSTER OF NEURON CELL BODIES IN PNS
7
Q
Cell body:
A
MAJOR PORTION OF NEURON
8
Q
Dendrites:
A
EXTENSIONS; WHERE GRADED POTENTIALS ARE INITIATED
9
Q
Axon:
A
LONGEST PROJECTION FROM NEURON; PROPAGATES ACTION POTENTIALS AWAY FROM CELL BODY
10
Q
Axon hillock:
A
TRIANGULAR, CONE-SHAPED REGION OF CELL BODY WHERE AXON EXTENDS FROM