Chapter 12 Study Guide

 

central nervous system (CNS)

peripheral nervous system (PNS)

brain

cranial nerves

nerve

spinal cord

spinal nerves

ganglia

enteric plexus

sensory function of nervous system

sensory or afferent neurons

integrative function of nervous system

interneurons

motor function of nervous system

motor or efferent neurons

effectors

somatic nervous system

information comes from what sort of receptors?

information goes to what sort of effectors?

system under voluntary or involuntary control?

autonomic nervous sytem

information comes from what sort of receptors?

information goes to what sort of effectors?

system under voluntary or involuntary control?

neurons

neuroglia

cell body

dendrites

axon

synapse

synaptic vesicles

neurotransmitters

slow axonal transport

(one direction only)

fast axonal transport

(both directions)

multipolar neuron

bipolar neuron

unipolar neuron

neuroglia

astrocytes

oligodendrocytes

microglia

ependymal cells

Schwann cells

satellite cells

myelin sheath

nodes of Ranvier

white matter

gray matter

nucleus

resting membrane potentials

small buildup of + ions along outside of membrane

small buildup of ions along inside of membrane

graded potential

hyperpolarizing graded potential

depolarizing graded potential

action potential or impulse

depolarization

Na+ channels open

repolarization

K+ channels open

refractory period

continuous conduction

saltatory conduction

chemical synapse

electrical synapse

excitatory postsynaptic potential (EPSP)

inhibitory postsynaptic potential (IPSP)