Question

Fill in the blanks with correct words.

The terminal portions of the axons have swollen bulb-like structure called ________.

Answer 1

Synaptic knob:

1. At the axon terminals, synaptic knobs are bulb-like structures.
2. With the help of neurotransmitters, they play a crucial role in the transmission of impulses from one neuron to another across synapses.
3. Synapses are the cellular junctions or connections that exist between two neurons or nerve cells, or between a neuron and a muscle cell or gland cell.

Final answer: The terminal portions of the axons have swollen bulb-like structures called synaptic knobs.