MEDICAL PHYSIOLOGY

PHYSIOLOGY

NEUROTRANSMISSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Postsynaptic membranes are most likely to be found on
A
axons
B
dendrites
C
neuron cell bodies
D
myelin sheaths
Explanation: 

Detailed explanation-1: -Under basal conditions, both pre-and postsynaptic strengths cluster on single dendritic branches according to the identity of the presynaptic neurons, thus highlighting the ability of single dendritic branches to exhibit input specificity.

Detailed explanation-2: -The postsynaptic membrane contains specific ACh receptors (AChR), concentrated opposite the active zones. These are one of the best-characterized ionic channels. Their opening allows ions to flow following the specific binding of ACh.

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