_________________ are the tiny pouches or sacs in the axon terminals that contain chemicals called neurotransmitters.

Related MCQs

• When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synaptic gap.
• When the ___________________is too large to be jumped by the neural impulse, the signal/information must be passed using chemicals as neurotransmitters instead of electrical currents.
• The ________________ is a tiny space between the axon terminal of one neuron and the dendrite of an adjoining neuron.
• The synaptic vesicles contain chemicals called _______________.
• ______________ are neurotransmitters that regulate pain perception and are involved in the positive emotions associated with aerobic exercise.
• To complete synaptic transmission, the neurotransmitters attach to receptor molecules embedded in the __________________ .
• The surface of the axon contains hundreds of thousands of miniscule mechanisms called _______________.
• The optic nerve is composed of one axon fiber extending from each ___ cell in the retina.
• ________________ is a brief electrical impulse by which information is transmitted along the axon of a neuron.
• When an action potential reaches the axon terminal, synaptic vesicles move toward the _____________________.