In many neurons the axon is covered by a sheath of fatty material known as _____________.

Related MCQs

• _________________ are the small gaps in the myelin sheath surrounding the axons of many neurons.
• ______________ help neurons by providing nutrition, removing waste products, and enhancing the speed of communication between neurons.
• Stimulation, either directly or by chemical messages from other neurons, produces ___________________, a basic type of signal within neurons.
• 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.
• _________________ are the tiny pouches or sacs in the axon terminals that contain chemicals called neurotransmitters.
• The ________________ is a tiny space between the axon terminal of one neuron and the dendrite of an adjoining neuron.
• When an action potential reaches the axon terminal, synaptic vesicles move toward the _____________________.
• The area where the axon connects to the soma is ______________.
• When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synaptic gap.