Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


ends of axon which stimulate electrical activity

presynaptic neuron

first neuron in signal path which releases neurotransmitter. come in contact with dendrite, soma, or axon

postsynaptic neuron

second neuron which responds to neurotransmitter

synaptic cleft

gap between neurons

chemical synapses

how neurons communicate; by releasing chemicals

electrical synapses

exist in the cardiac and smooth muscle. has gap junctions which join adjacent cells. advantage is quick transmission. disadvantage cant turn off

synaptic knob

has synaptic vesicles which contains neurotransmitters


acetylocholine, amino acid neurotransmitters (GABA), monoamines (epinephrine, norepinephrine, dopamine) and neuropeptides (chains of 2 to 40 amino acids, gut brain peptides cause food cravings)

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording