Page 2 - SELF-PACED LEARNING MODULES

The stimulation of a neuron gives
The neuron only “fires” as a result the release of
in one direction neurotransmitters, and this is the
way nerve cells communicate with
each other

Neurotransmitters a) Stored within the
axon terminals.
b)Acetylcholine is
released from the
axon terminals to the
synaptic cleft. It
binds in the nicotinic
receptors of the
postsynaptic
membrane. It is
inactivated by
acetylcholinesterase

Myelin sheath and nodes Myelin sheath:
of Ranvier increases the
conduction velocity
Myelin is produced for of the nerve impulse.
oligodendrocytes and
Schawn cells Nodes of Ranvier:
produces saltatory
conduction

Afferent and efferent afferent fiber brings
fibers: information toward the
CNS while efferent
Arriving and exiting fibers fibers carry
information away from
Afferent also called sensory, the CNS
efferent also called motor