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The distal or apical part of the duct that opens to the skin's surface is known as the acrosyringium. [16] Each sweat gland receives several nerve fibers that branch out into bands of one or more axons and encircle the individual tubules of the secretory coil. Capillaries are also interwoven among sweat tubules. [17]
Eccrine glands are composed of an intraepidermal spiral duct, the "acrosyringium"; a dermal duct, consisting of a straight and coiled portion; and a secretory tubule, coiled deep in the dermis or hypodermis. [7]
Poromas are eccrine or apocrine sweat gland tumors derived from the cells in the terminal portion of these glands' ducts. [3] This part of the sweat gland duct is termed the acrosyringium and had led to grouping poromas in the acrospiroma class of skin tumors (syringofibroadenomas and syringoacanthomas are classified as acrospiromas).
Acrospiromas are a broad class of benign cutaneous adnexal tumors. [1] Cutaneous adnexal tumors are a group of skin tumors consisting of tissues that have differentiated (i.e. matured from stem cells) towards one or more of the four primary adnexal structures found in normal skin: hair follicles, sebaceous sweat glands, apocrine sweat glands, and eccrine sweat glands. [2]
Porocarcinoma (PCA) (also termed malignant poroma, eccrine porocarcinoma, and malignant eccrine poroma) [1] is a rare form of skin cancer that develops in eccrine sweat glands, i.e. the body's widely distributed major type of sweat glands, as opposed to the apocrine sweat glands which are located primarily in the armpits and perineal area. [2]
Feeling stressed, which increases our heart rate and blood pressure, can also trigger our glands to produce sweat, which is why we tend to sweat before a competition or presentation.
The eccrine sweat glands are distributed over much of the body and are responsible for secreting the watery, brackish sweat most often triggered by excessive body temperature. Apocrine sweat glands are restricted to the armpits and a few other areas of the body and produce an odorless, oily, opaque secretion which then gains its characteristic ...
These sweat glands are in part activated by compounds called catecholamines, which are secreted in times of stress. From a dermatological standpoint, body odor isn’t an unhealthy thing, either ...