Glands that discharge an oily secretion into hair follicles are Answer Question 13[input] glands.

Question

BlackTom AI · Accepted Answer

The prompt asks about glands that discharge an oily secretion into hair follicles.

Key concept: Sebaceous glands are specialized glands anatomically linked to hair follicles and produce sebum, an oily, lipid-rich substance that coats and protects hair and skin. This sebum travels through the gland’s duct directly into the hair follicle, providing lubrication and some antimicrobial properties.

What about other glands? Eccrine (merocrine) sweat glands produce a watery sweat that exits onto the skin surface via pores, not into hair follicles, so they do not supply an oily secretion to hairs.

Apocrine glands, while they are associated with hair follicles in certain regions (like the armpits and groin) and release their secretions into the hair follicle canal, primarily produce a thicker, milky secretion in response to hormonal cues and are not the classic source of the oily sebum that characterizes sebaceous activity. In contrast to sebaceous glands, their secretions are not the typical oily sebum that coats hair.

Thus, when identifying glands that discharge an oily secretion into hair follicles, the description aligns with sebaceous glands, which are specialized for sebum production and delivery into the hair follicle ducts.

If you were considering other possibilities, the distinction rests on the nature of the secretion (oil versus watery/syrupy), the duct destination (to surface pores vs. into hair follicles), and the gland’s typical anatomical association with hair follicles.

In summary, the oily, hair-follicle–associated secretion points to sebaceous glands as the responsible glands, whereas eccrine glands produce sweat to the skin surface and apocrine glands have a different, region-specific secretory pattern that is not the classic oily sebum.

Glands that discharge an oily secretion into hair follicles are Answer Question 13[input] glands.简答题

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