MICROANATOMY

EPITHELIUM CONNECTIVE TISSUE SKIN

INTEGUMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How Many Layers Contain Keratinocytes?
A
4
B
3
C
2
D
5
Explanation: 

Detailed explanation-1: -It is made up of three layers, the epidermis, dermis, and the hypodermis, all three of which vary significantly in their anatomy and function. The skin’s structure is made up of an intricate network which serves as the body’s initial barrier against pathogens, UV light, and chemicals, and mechanical injury.

Detailed explanation-2: -3. The Hypodermis. The hypodermis is made of subcutaneous (under the skin) fats, connective tissues, blood vessels, and nerve cells. It’s the layer of skin where fat is deposited and stored.

Detailed explanation-3: -Keratinocytes represent the major cell type of the epidermis, the outermost of the layers of the skin, making up about 90 percent of the cells there. They originate in the deepest layer of the epidermis, the stratum basale and move up to the final barrier layer of the skin, the stratum corneum.

Detailed explanation-4: -Stratum Granulosum-3-5 layers of cells that are beginning to die and whose membranes are thickening. They are loaded with granules that will produce keratin in superficial layers. The granules consist of keratohyalin. Stratum Lucidum-Appears clear (hence the name) because of dead, eleiden-filled cells.

There is 1 question to complete.