MEDICAL PHYSIOLOGY

PHYSIOLOGY

NEUROTRANSMISSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A synapse is a(n)
A
chemical messenger that triggers muscle contractions.
B
automatic response to sensory input.
C
neural network.
D
junction between a sending neuron and a receiving neuron.
E
neural cable containing many axons.
Explanation: 

Detailed explanation-1: -Neurons communicate with one another at junctions called synapses. At a synapse, one neuron sends a message to a target neuron-another cell. Most synapses are chemical; these synapses communicate using chemical messengers. Other synapses are electrical; in these synapses, ions flow directly between cells.

Detailed explanation-2: -Synapse – The junction between the axon of one neuron and the dendrite of another, through which the two neurons communicate.

Detailed explanation-3: -synapse, also called neuronal junction, the site of transmission of electric nerve impulses between two nerve cells (neurons) or between a neuron and a gland or muscle cell (effector).

Detailed explanation-4: -The junction between the axon terminals of a neuron and the receiving cell is called a synapse. Synapses at muscle fibers are also called neuromuscular junctions or myoneural junctions.

Detailed explanation-5: -The places where neurons connect and communicate with each other are called synapses. Each neuron has anywhere between a few to hundreds of thousands of synaptic connections, and these connections can be with itself, neighboring neurons, or neurons in other regions of the brain.

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