The neurotransmitters are secreted by the neuron from:
- A. Axon ends
- B. Dendrite end
- C. Nissl's granules
- D. Cell body
Explanation
Vesicles of transmitter are stored in the swollen endings of the axon and released into the synaptic cleft when the impulse arrives. Dendrites carry the receptors that detect the transmitter on the other side of the synapse, which is why they are the tempting answer. This arrangement, with release on one side and reception on the other, is exactly what makes transmission one way.
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