MICROANATOMY

Detailed explanation-1: -Sebaceous glands These glands secrete an oily substance (sebum) that forms a thin surface coating which helps maintain skin moisture. Sebum also acts as a chemical defense to protect the body from environmental pathogens.

Detailed explanation-2: -Overview. Each pore on the surface of the skin is an opening to a canal called a follicle. The follicle also contains a hair and an oil gland (sebaceous gland). The oil gland helps remove old skin cells, keeps the skin lubricated, and prevents drying of tissues.

Detailed explanation-3: -A sebaceous gland is a microscopic exocrine gland in the skin that opens into a hair follicle to secrete an oily or waxy matter, called sebum, which lubricates the hair and skin of mammals.