Sweat gland

as sweat gland one designates glands on the skin, which separate the sweat.

function

sweat glands adjust the heat balance of the organism by the physical effect of the evaporative cold. Furthermore the sweat provides for the suppleness of the skin and for their correct pH value, since sweat is easily sour. The sweat glands can take over a small part of the decontamination activity during malfunction of the kidneys. This is because of the fact that the sweat beside water and fatty acids from “urine-requiring “materials, like z. B. Nitrogenous - or common salt exists. Larger sweat glands as in the shoulder caves deliver also sexualspezifische odoriferous substances.

organization

the apokrinen sweat glands also smell glands are called. They come only in certain skin areas forwards (shoulder cave, nipple, genital and Perianalgegend). Their gland bodies have a diameter of 3-5 mm. They lie in the subcutis (hypodermis) and stand in close relationship with the hair follicles, in whose remark courses they flow. They separate a part of the cells with the secretion also.

The ekkrinen sweat glands have a diameter of 0.4 mm and are surrounded by a thick basal diaphragm. They are at the border between Kutis and subcutis (striking and hypodermis). These sweat glands do not have relations with the hair.

number of sweat glands

altogether possesses the body 2 millions to 3 millions Sweat glands. The number of sweat glands is different depending upon organ. There are most at the elbow insides. Here some are listed (per cm ²):

• Hand inner surface: 370-375
• sole: 360-370
• Handrücken: 200-205
• neck: 175
• forehead: 170
• trunk (belly and chest): 155
• arm: 150-250
• leg: 80
• cheek: 75-80
• backs and Po: 55-60
• nose: 45-50
• cap and Ohrläppchen: 30-40

diseases of the sweat gland

• Chromhidrose (English. chromhidrosis) is a very rare illness, with which the patient separates colored sweat. Possible colors are z. B. green, blue, and black. The cause is so far inexplicably, one assumed however that the patient took up metal particles with the food.
• Anhidrose
• Hyperhidrose
• Dyshidrosis
• Hidradenitis