NEET PG DENTAL EXAM

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Dead skin cells are filled with a protein called keratin.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The answer is true, keratin is the protein responsible for the skin’s protective properties. Layers upon layers of epithelial cells filled with keratin are found in the stratum corneum layer of the epidermis, which is the outermost layer of skin.

Detailed explanation-2: -The epidermis consists of stratified squamous epithelium. That means it consists of layers of flattened cells. Skin, hair and nails are keratinised, meaning they have a dead and hardened impermeable surface made of a protein called keratin.

Detailed explanation-3: -Keratinocytes produce keratin, a tough, protective protein that makes up the majority of the structure of the skin, hair, and nails. The squamous cell layer is the thickest layer of the epidermis, and is involved in the transfer of certain substances in and out of the body.

There is 1 question to complete.