Sebaceous gland

From Simple English Wikipedia, the free encyclopedia

Cross-section of all skin layers. A hair follicle with associated structures.
Cross-section of all skin layers. A hair follicle with associated structures.
Sebaceous gland labeled at center left
Sebaceous gland labeled at center left

The sebaceous glands are glands found in the skin of mammals.

They secrete an oily substance called sebum (Latin, meaning fat or tallow).

[edit] Function

Sebum acts to protect and waterproof hair and skin, and keep them from becoming dry. It can also protect against the growth of microorganisms on skin.