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Apocrine (/ ˈ æ p ə k r ɪ n /) [1] is a term used to classify the mode of secretion of exocrine glands. In apocrine secretion, secretory cells accumulate material at their apical ends, often forming blebs or "snouts", and this material then buds off from the cells, forming extracellular vesicles .
Merocrine is the most common manner of secretion. The gland releases its product and no part of the gland is lost or damaged (compare holocrine and apocrine). The term eccrine is specifically used to designate merocrine secretions from sweat glands (eccrine sweat glands), [1] although the term merocrine is often used interchangeably. [2] [3]
The goblet cells mainly use the merocrine method of secretion, secreting vesicles into a duct, but may use apocrine methods, budding off their secretions, when under stress. [2] The term goblet refers to the cell's goblet-like shape. The apical portion is shaped like a cup, as it is distended by abundant mucus laden granules; its basal portion ...
Testosterone replacement therapy (TRT) can also cause DHT levels to increase. "You can imagine with uninhibited increased T levels, your body combats that by increasing the level of DHT," says ...
Merocrine – the cells of the gland excrete their substances by exocytosis into a duct; for example, pancreatic acinar cells, eccrine sweat glands [dubious – discuss], salivary glands, goblet cells, intestinal glands, tear glands, etc. Apocrine – the apical portion of the cytoplasm in the cell membrane, which contains the excretion, buds off.
They defined it as a carcinoma that: a) has a component(s) which invades adjacent tissue; b) consists of >90% apocrine gland-like tissue; c) has at least 10% of its cancer cells that express androgen receptors; and d) lacks cancer cells that express estrogen receptors and progesterone receptors.
Testosterone therapy for patients with late-onset hypogonadism, in addition to increasing risk of cardiovascular disease and prostate cancer, may exacerbate the risk factors associated with benign prostatic hyperplasia, a condition that involves the noncancerous enlargement of the prostate gland, which can lead to urinary symptoms. [100]
Leptin, an adipocyte-derived hormone discussed under the Regulation section of this Wikipedia page, is significantly reduced in patients with anorexia nervosa due to the loss of body fat. Low leptin levels contribute to the disruption of normal GnRH secretion, as leptin is needed for proper hypothalamic function and the initiation of puberty. [32]