NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What do neuroglia do?
A
Release neurotransmitters
B
Support and nourish neurons
C
Release calcium to activate neurons
D
Absorb nutrients from neurons
Explanation: 

Detailed explanation-1: -Glial (Neuroglial) cells do not conduct nerve impulses, but, instead, support, nourish, and protect the neurons. Glial cells are far more numerous than neurons and, unlike neurons, are capable of mitosis.

Detailed explanation-2: -Neuroglia are the other major type of nervous system cells. There are many types of neuroglia and they have many specific functions. In general, neuroglia function to support, protect, and nourish neurons.

Detailed explanation-3: -Neurons get nutrients from supportive cells called glial cells. There is two type of glial cells, neuroglial cells and the astroglial cells (astrocytes). These are the cells which are called as the supportive cells because these cells are responsible for providing nutrition to the neurons.

Detailed explanation-4: -Any of the cells that hold nerve cells in place and help them work the way they should. The types of neuroglia include oligodendrocytes, astrocytes, microglia, and ependymal cells. Also called glial cell.

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