MEDICAL PHYSIOLOGY

PHYSIOLOGY

CENTRAL NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Myelinated fibers (tracts) form ____ matter while unmyelinated fibers form ____ matter.
A
sensory, motor
B
gray, white
C
motor, sensory
D
white, gray
Explanation: 

Detailed explanation-1: -In the central nervous system, myelinated fibres form the white matter.

Detailed explanation-2: -Myelinated neurons have nerve fibres that are covered by a myelin sheath and are present in the white matter of the nervous system. On the other hand, non-myelinated nerve fibres do not have myelin sheath and are present in the grey matter of the nervous system.

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