Areolar glands (also called glands of Montgomery) are sebaceous glands in the nipple that secrete a lipoid fluid. The glands’ function is not fully known, but it has been suggested that the glands and ...

Sebaceous filaments are structures that allow sebum to flow to the surface of the skin. Tiny glands beneath the skin create sebum, which is an oily substance that helps lubricate the skin. When the ...

Your skin produces sebum, which can be waxy or oily. Sebum production can contribute to acne, but it also moisturizes and offers protection for your skin. Sebum is an oily, waxy substance produced by ...