PATHOLOGY

PATHOLOGY MCQ

SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the purpose of sebaceous glands?
A
to secrete sebum
B
so you don’t have to wash your hair
C
keep you young
D
None of the above
Explanation: 

Detailed explanation-1: -The normal function of sebaceous glands is to produce and secrete sebum, a group of complex oils including triglycerides and fatty acid breakdown products, wax esters, squalene, cholesterol esters and cholesterol. Sebum lubricates the skin to protect against friction and makes it more impervious to moisture.

Detailed explanation-2: -Sebaceous glands are microscopic exocrineglands in the skin that secrete an oily or waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals.

Detailed explanation-3: -The sebaceous gland is an organ located in the dermis. Its role is to synthesise and secrete sebum which is a component of the hydrolipidic film. The purpose of sebum is to protect the skin from damages caused by external factors and from dehydration. Sebum also maintains the suppleness of skin and hair.

Detailed explanation-4: -Sebaceous glands are involved in the elimination of certain substances like cholesterol, squalene, triglycerides wax and esters through sebum. This secretion provides an oily covering to the skin.

There is 1 question to complete.