GENERAL HISTOLOGY

NERVOUS

NEURONS TYPES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a neurotransmitter?
A
fatty covering of the axon
B
nerve cell
C
chemical messenger
D
gap between neurons
Explanation: 

Detailed explanation-1: -Neurotransmitters are chemical messengers that your body can’t function without. Their job is to carry chemical signals (“messages”) from one neuron (nerve cell) to the next target cell. The next target cell can be another nerve cell, a muscle cell or a gland.

Detailed explanation-2: -Four neurotransmitters come under the chemical classification of biogenic amines. These are epinephrine, norepinephrine, dopamine, and serotonin. Although epinephrine is the transmitter in frogs, in mammals its role has been supplanted by norepinephrine.

Detailed explanation-3: -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.

Detailed explanation-4: -Glutamate. This amino acid is common in your diet. GABA (-aminobutyric acid) If glutamate is the most excitatory chemical messenger, then GABA is its polar opposite. Dopamine. Adrenaline (Epinephrine) Serotonin. Oxytocin. Acetylcholine. 03-Apr-2020

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