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sweat gland |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.02 sec. |
sweat glandEither of two types of perspiration glands in the skin. Eccrine sweat glands, controlled by the sympathetic nervous system, use evaporation to cool the skin by secreting water when body temperature rises. Apocrine sweat glands, usually associated with hair follicles, are concentrated in the underarms and genital region. Starting at puberty, hormones stimulate them to continuously secrete a fatty sweat. Certain specialized glands, such as mammary glands and wax-secreting glands of the ear canal, probably developed from this type of gland. sweat gland [′swet ‚gland] (physiology) A coiled tubular gland of the skin which secretes sweat. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Unlike humans, birds don't have sweat glands, which secrete sweat that is mostly made of water. The chapters are divided into 11 parts, which include "Understanding the Skin, Hair and Nails," "Acne, Rosacea, and Sweat Gland Disorders," "Rashes, Skin Signs of Systemic Diseases and Allergic Skin Conditions," and "Pigmentation Disorders, Vascular Skin Changes, and Benign Skin Growths. The tumor also exhibited peripheral palisading of nuclei, some ductal differentiation, and the presence of closely associated hyalinized stroma, suggesting focal sweat gland differentiation. |
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