Acetylcholine is broken down in the mitochondrion by acetylcholinesterase.

IPSPs

The ________ division of the nervous system carries motor commands to muscles and glands.

Which ion causes neurotransmitter vesicles to fuse with the axon’s membrane during the conduction of a nerve impulse from one neuron to the next :

A synapse is

EPSPs occur when

Communication across a synapse usually involves the release of

A dorsal and ventral root of each spinal segment unite to form a

The primary motor cortex is the surface of the

Gated channels may be