Search results
Results from the WOW.Com Content Network
Androgen deficiency is a medical condition characterized by insufficient androgenic activity in the body. Androgen deficiency most commonly affects women, and is also called Female androgen insufficiency syndrome (FAIS), although it can happen in both sexes.
Testosterone is the primary male sex hormone and androgen in males. [3] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
Men with low serum testosterone levels should have other hormones checked, particularly luteinizing hormone to help determine why their testosterone levels are low and help choose the most appropriate treatment (most notably, testosterone is usually not appropriate for secondary or tertiary forms of male hypogonadism, in which the LH levels are ...
The pituitary gland (or hypophysis) is an endocrine gland about the size of a pea and weighing 0.5 grams (0.018 oz) in humans. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae).
HPG regulation in males, with the inhibin/activin system playing a similar role on GnRH-producing cells. The hypothalamus is located in the brain and secretes GnRH. [1] GnRH travels down the anterior portion of the pituitary via the hypophyseal portal system and binds to receptors on the secretory cells of the adenohypophysis. [2]
Growth of body hair, including underarm, abdominal, chest hair and pubic hair. [17] [18] Growth of facial hair. [18] Enlargement of larynx (Adam's apple) and deepening of voice. [18] [19] Increased stature; adult males are taller than adult females, on average. [18] Heavier skull and bone structure. [18] Increased muscle mass and strength. [18]
While 2.2% of young adult males report using steroids, 36.3% report using protein powders and shakes, while 10.1% said they use other muscle-building substances such as creatine and growth ...
Endocrine glands have no ducts, are vascular, and commonly have intracellular vacuoles or granules that store their hormones. In contrast, exocrine glands, such as salivary glands , mammary glands , and submucosal glands within the gastrointestinal tract , tend to be much less vascular and have ducts or a hollow lumen .