MICROANATOMY

Detailed explanation-1: -What are sebaceous glands? Sebaceous glands are an organ in your skin that make and secrete sebum. Sebum is a substance that provides a protective coating for your skin to help it retain moisture. Most of your sebaceous glands connect to your hair follicles.

Detailed explanation-2: -Sebum is a sticky, oily substance produced by the sebaceous glands, which sit in the middle layers of the skin, near hair follicles. Sebum helps moisturize and protect the skin. It contains several types of fat molecule, or lipids.

Detailed explanation-3: -Sebum also helps the skin maintain its moisture barrier. There are no sebaceous glands located in the palms of the hands and the soles of the feet. For this reason, these areas are common places to be afflicted with dry skin.

Detailed explanation-4: -It reduces water loss from the skin surface. It protects the skin from infection by bacteria and fungi. It contributes to body odour. It is colonised by the bacteria Proprionibacterium acnes, which may have a role in immune system regulation.