Apocrine gland

The apocrine gland is a type of sweat gland that is found in specific areas of the human body, including the axilla (armpits), areola of the breast, and the anogenital region. These glands are responsible for the secretion of a viscous fluid that, when broken down by bacteria, can lead to body odor.

Structure

Apocrine glands are larger than eccrine glands and are located deeper in the dermis, often extending into the subcutaneous tissue. They are coiled tubular glands that open into the hair follicle, rather than directly onto the skin surface.

Function

The primary function of apocrine glands is to secrete a milky fluid that is rich in proteins and lipids. This secretion is initially odorless but can develop an odor when it comes into contact with skin bacteria. Apocrine glands become active during puberty and are believed to play a role in pheromone production.

Clinical significance

Apocrine glands can be involved in various skin conditions, such as hidradenitis suppurativa, a chronic inflammatory condition characterized by painful nodules and abscesses. They can also be affected by apocrine gland carcinoma, a rare form of cancer that arises from these glands.

See also

• Sweat gland
• Eccrine gland
• Sebaceous gland

References

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