What is synaptic cleft?

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Solution

Axon terminals are closely placed near the dendrites of another one or more neurons but are not connected to such gaps in between called synaptic cleft.

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Similar questions

Q. Assertion :The chemicals stored in the synaptic vesicles are termed as neurotransmitters. Reason: Synaptic vesicles release these chemicals in the synaptic cleft.

Q. Do you know how the pre-synaptic neuron transmits an impulse (action potential) across the synaptic cleft to the post-synaptic neuron?

Q. Study the diagram of synapse :

I. Which alphabet indicate the location of the receptor molecules ?
II. Which alphabet points to a synaptic vesicles ?
III. Which alphabet points to neurotransmitter?
IV. Which alphabet points to synaptic cleft ?

Which one of the following is the correct sequence of events that follows in a Synaptic Transmission of Nerve impulse _____.

1. The membrane becomes depolarized

2. Voltage Calcium channels open

3. Release of Synaptic Vesicles

4. Diffusion of neurotransmitter across the synaptic cleft, binding to receptor proteins

on the postsynaptic membrane.

Complete the statement by chossing appropriate match among the following.

$\begin{matrix} C o l u m n I & C o l u m n I I A . R e s t i n g p o t e n t i a l & 1. C h e m i c a l s i n v o l v e d i n t h e t r a n s m i s s i o n o f i m p u l s e s a t s y n a p s e s . B . S y n a p t i c c l e f t & 2. G a p b e t w e e n t h e p r e s y n a p t i c a n d p o s t s y n a p t i c n e u r o n s . C . S y n a p t i c c l e f t & 3. E l e c t r i c a l p o t e n t i a l d i f f e r e n c e a c r o s s t h e r e s t i n g n e u r a l m e m b r a n e . D . N e u r o t r a n s m i t t e r s & 4. A n e l e c t r i c a l w a v e l i k e r e s p o n s e o f a n e u r o n t o a s t i m u l a t i o n . \end{matrix}$

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