The swellings or knobs at the end of the axon are called ________.
A) presynaptic terminals
B) synaptic vesicles
C) synapses
D) receptor sites

Question

Quizplus · Accepted Answer

The axon terminals are also known as presynaptic terminals or synaptic boutons. These swellings contain synaptic vesicles that release neurotransmitters to communicate with other neurons or target cells at the synapse. Receptor sites are located on the postsynaptic membrane and receive the neurotransmitters. Therefore, A is the best choice for the answer.

The Swellings or Knobs at the End of the Axon