GENERAL HISTOLOGY

NERVOUS SYSTEM SPECIAL SENSE

SPINALCORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why does the grey matter grey in colour? As grey matter contains large number of
A
Dendrites of neurones
B
Cell body of neurones
C
Axon of neurones
D
Synapse
Explanation: 

Detailed explanation-1: -The grey matter has a large number of neurons present, which allows it to process information and release new information through axon signaling found in the white matter. [6] The grey matter throughout the central nervous system allows enables individuals to control movement, memory, and emotions.

Detailed explanation-2: -Grey Matter It is composed of neuron cell bodies, the neuropil (dendrites and short myelinated and unmyelinated axons), glial cells, and capillaries. While white matter transmits information, grey matter collects and modifies that information.

Detailed explanation-3: -The white matter is so-called because it contains many nerve fibers or neurons that are sheathed in the white fatty insulating protein called myelin. In section, myelin is white whereas the gray matter is that color due to all the gray nuclei contained in the cells that make it up.

Detailed explanation-4: -Grey matter is distinguished from white matter in that it contains numerous cell bodies and relatively few myelinated axons, while white matter contains relatively few cell bodies and is composed chiefly of long-range myelinated axons. The colour difference arises mainly from the whiteness of myelin.

Detailed explanation-5: -White matter is caused by the presence of myelin, a fatty covering on the axons of neurons created by specialized cells called oligodendrocytes. Gray matter lacks myelin, which gives this tissue a darker, grayish appearance.

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