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Write Short Notes on the Following: Organ of Corti (I) Synapse - CBSE (Science) Class 11 - Biology

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Question

Write short notes on the following: Organ of Corti (i) Synapse

Solution

Organ of corti

Organ of corti is the hearing organ. It is located on the basilar membrane that contains hair cells. Hair cells act as auditory receptors. They are present on the internal side of organ of corti.

(i) Synapse

Synapse is a junction between the axon terminal of one neuron and the dendrite of next neuron. It is separated by a small gap known as synaptic cleft.

There are two types of synapses.

(a) Electrical synapse

(b) Chemical synapse

In electrical synapses, the pre and post synaptic neurons lie in close proximity to each other. Hence, the impulse can move directly from one neuron to another across the synapse. This represents a faster method of impulse transmission.

In chemical synapses, the pre and post synaptic neurons are not in close proximity. They are separated by a synaptic cleft. The transmission of nerve impulses is carried out by chemicals such as neurotransmitters.

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APPEARS IN

 NCERT Solution for Biology Textbook for Class 11 (2018 to Current)
Chapter 21: Neural Control and Coordination
Q: 5.8 | Page no. 329

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Solution Write Short Notes on the Following: Organ of Corti (I) Synapse Concept: Sensory Reception and Processing - Concept of the Ear.
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