Sebaceous glands produce an oily secretion called _________.
sebum
lignin
resin
saliva
Sebum maintains body temperature, acts as an antimicrobial agent and keeps the skin smooth and supple.
The glands that discharge an oily secretion into hair follicles is:
Which gland discharges an oily secretion into hair follicles?
The secretion of sebaceous glands which causes acne in adolescents is known as: