NERVOUS
NEUROGLIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following statements relate to the structure of a synapse:
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Presynaptic vesicles do not contain the neurotransmitter substance.
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The synapse can be axodendritic, axosomatic, or axoaxonic.
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All neurons produce and release various types of substances.
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None of the above
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Explanation:
Detailed explanation-1: -The synapse consists of three elements: 1) the presynaptic membrane which is formed by the terminal button of an axon, 2) the postsynaptic membrane which is composed of a segment of dendrite or cell body, and 3) the space between these two structures which is called the synaptic cleft.
Detailed explanation-2: -Types of Synapses The axodendritic synapses are either excitatory or inhibitory. Axodendritic synapses are the commonest type of synapse in the CNS and are described fully in Chapter 6, p.
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