Folliculosebaceous-apocrine

Folliculosebaceous-apocrine is a term used in dermatology to describe a type of skin structure that includes the hair follicle, sebaceous gland, and apocrine sweat gland. These structures are closely related and often function together in the skin.

Structure

The folliculosebaceous-apocrine unit is composed of three main parts: the hair follicle, the sebaceous gland, and the apocrine sweat gland.

The hair follicle is a tunnel-shaped structure in the epidermis (the outer layer of the skin) that produces hair. Hair follicles are distributed throughout the skin, with the exception of the palms of the hands and soles of the feet.

The sebaceous gland is a small oil-producing gland that is attached to the hair follicle. It secretes sebum, an oily substance that helps to lubricate and waterproof the skin and hair.

The apocrine sweat gland is a type of sweat gland that is associated with hair follicles, primarily in the underarm and groin areas. Apocrine sweat glands produce a thicker, milky sweat that is responsible for body odor.

Function

The folliculosebaceous-apocrine unit plays a crucial role in maintaining skin health. The hair follicle allows for hair growth, which provides some protection for the skin. The sebaceous gland produces sebum, which helps to keep the skin moisturized and protected from environmental factors such as wind and sun. The apocrine sweat gland produces sweat, which helps to cool the body and also plays a role in producing body odor.

Clinical significance

Abnormalities or diseases of the folliculosebaceous-apocrine unit can lead to a variety of skin conditions, including acne, seborrheic dermatitis, hidradenitis suppurativa, and folliculitis. Treatment of these conditions often involves targeting the components of the folliculosebaceous-apocrine unit.

See also

• Dermatology
• Hair follicle
• Sebaceous gland
• Apocrine sweat gland

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