Question

define synaptic cleft​

Answer 1

the space between neurons at a nerve synapse across which a nerve impulse is transmitted by a neurotransmitter. — called also synaptic gap.

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Answer 2

A 20 to 50 millimicrons wide gap filled with interstitial fluid between the presynaptic and postsynaptic cells which are not in contact with each other in chemical synapses , is known as SYNAPTIC CLEFT .

• Synaptic transmission normally takes time of about 0.5 milliseconds.
• Once the transmission is achieved ,rapid removal of neurotransmitter from synaptic cleft becomes essential for normal functioning of the synapses.