The small space between the sending neuron and the receiving neuron is the
A: Synaptic terminal.
C: Calcium channel.
D: Synaptic cleft.
The correct answer is option D.
The small space between the sending neuron and the receiving neuron is the synaptic cleft.
The synaptic cleft is the small space between the sending neuron and the receiving neuron.
It is a space that separates two neurons. It forms a junction between neurons and helps nerve impulses to pass from one neuron to the other.
A synaptic cleft is not just a space between two neurons; also, it acts as a junction by connecting two or more neurons.
It is present between two neurons; pre-junctional neuron or a pre-synaptic or and post-junctional neuron or a post-synaptic.
There are three types of the synaptic cleft, depending on the type of nerve fiber participating in the formation of the synapse, which are following;
- Axo-axonic synapse
- Axo-dendritic synapse
- Axo-somatic synapse
Here, the synaptic cleft is present between the cell body and axon. The axon of one neuron forms synapses with the cell body of the other neurons.
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