NEET PG DENTAL EXAM

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The stratum corneum of the epidermis
A
consists of continuously dividing cells.
B
can become thickened and form a structure called a callus or corn.
C
has cells that are continuously moving toward the stratum basale.
D
has cells that synthesize melanin.
Explanation: 

Detailed explanation-1: -Stratum corneum, 20-30 cell layers, is the uppermost layer, made up of keratin and horny scales made up of dead keratinocytes, known as anucleate squamous cells. This is the layer which varies most in thickness, especially in callused skin.

Detailed explanation-2: -Carotene: yellow pigment most conspicuous in heel calluses and corns in stratum corneum.

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