GENERAL HISTOLOGY

INTEGUMENTERY SYSTEM

EPIDERMIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
As cells are pushed from the deeper portion of the epidermis toward the surface, ____
A
they fill with keratin and die
B
they divide
C
their nutrient supply increases
D
they enter the dermis
Explanation: 

Detailed explanation-1: -The keratinocytes from the squamous layer are then pushed up through two thin epidermal layers called the stratum granulosum and the stratum lucidum. As these cells move further towards the surface of the skin, they get bigger and flatter and adhere together, and then eventually become dehydrated and die.

Detailed explanation-2: -What happens to skin cells as they progress from the deeper portion of the epidermis toward the surface? They fill with keratin and die.

Detailed explanation-3: -Keratinocytes. Keratinocytes are the predominant cell type of epidermis and originate in the basal layer, produce keratin, and are responsible for the formation of the epidermal water barrier by making and secreting lipids.

There is 1 question to complete.