2.17

Question 1

autoreceptor

Answer 1

A receptor molecule
located on a neuron that responds to
the neurotransmitter released by that
neuron

Question 2

Presynaptic Inhibition

Answer 2

The action of a
presynaptic terminal button in an axoaxonic synapse; reduces the amount of neurotransmitter released by the postsynaptic
terminal button.

Question 3

Presynaptic Facilitation

Answer 3

The action
of a presynaptic terminal button in an
axoaxonic synapse; increases the amount
of neurotransmitter released by the
postsynaptic terminal button