GENERAL HISTOLOGY

INTEGUMENTERY SYSTEM

EPIDERMIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cell layer of epidermis only found in palms and soles.
A
Stratum Lucidum
B
Stratum Basale
C
Stratum Spinosum
D
Stratum Granulosum
Explanation: 

Detailed explanation-1: -Stratum lucidum, 2-3 cell layers, present in thicker skin found in the palms and soles, is a thin clear layer consisting of eleidin which is a transformation product of keratohyalin.

Detailed explanation-2: -The stratum corneum is a semipermeable barrier that serves as a physiological barrier from external agents including bacteria, fungi, and chemicals while preventing the loss of fluids and solutes from the internal environment. It is thickest on the palms and soles.

Detailed explanation-3: -The stratum lucidum (Latin, ‘clear layer’) is a thin, clear layer of dead skin cells in the epidermis named for its translucent appearance under a microscope. It is readily visible by light microscopy only in areas of thick skin, which are found on the palms of the hands and the soles of the feet.

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