Which glands secrete sebum into hair follicles?
Solution
Correct Answer: Option A
Sebaceous glands are exocrine glands that secrete an oily substance called sebum directly into hair follicles. This secretion helps to lubricate and waterproof both the hair and the skin, preventing dryness and providing a protective barrier against microbial invasion. The glands are closely associated with hair follicles, making their anatomical relationship crucial during surgical procedures involving hair-bearing skin to avoid disrupting the sebaceous apparatus. Failure to preserve these glands can result in dry, fragile skin and increased risk of infection. This connection is specific to sebaceous glands, distinguishing them from other glands like sweat or parotid glands.
Reference: Gray's Anatomy, Standring S., 42nd Edition.
Reference: Gray's Anatomy, Standring S., 42nd Edition.
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