Sweat gland
Sweat Gland
A sweat gland (pronounced: /swɛt glænd/) is a small tubular structure of the skin that produces sweat. Sweat glands are a part of the integumentary system, which includes the skin, hair, nails, and other structures that help protect the body from environmental or mechanical injury.
Etymology
The term "sweat gland" originates from the Old English "swat" meaning "sweat" and the Latin "glandula" meaning "small gland".
Types of Sweat Glands
There are two main types of sweat glands: eccrine glands and apocrine glands. Eccrine glands are found all over the body and produce a clear, odorless substance, sweat, which is primarily water. Apocrine glands, on the other hand, are found in areas with a lot of hair follicles, like the scalp, armpits, and groin, and they produce a thicker, fatty sweat often associated with body odor.
Function
Sweat glands play a crucial role in the body's thermoregulation. They help to cool the body by producing sweat, which evaporates and cools the skin and blood beneath the skin. This process is vital for maintaining a stable body temperature and preventing overheating.
Related Terms
- Sweat: The clear, salty liquid produced by the sweat glands.
- Thermoregulation: The process by which the body maintains its internal temperature.
- Eccrine gland: A type of sweat gland that produces a clear, odorless sweat.
- Apocrine gland: A type of sweat gland that produces a thicker, fatty sweat often associated with body odor.
- Integumentary system: The organ system that protects the body from various kinds of damage, such as loss of water or abrasion from outside.
External links
- Medical encyclopedia article on Sweat gland
- Wikipedia's article - Sweat gland
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