Testosterone is a steroid hormone secreted in large amounts by the testicles of males and the ovaries of females. Adrenal glands also secrete testosterone in small amounts. It is the major male sex hormone which plays a key role in the development of testis and prostate organs. Secondary sexual characteristics such as increased muscle, bone mass, and body hair growth are promoted through the release of testosterone. It is also essential in the prevention of osteoporosis.A journalÂ is aÂ periodical publicationÂ intended to further progress ofÂ science, usually by reporting newÂ research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, andÂ scientific papersÂ across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientificÂ validity. Each such journal article becomes part of the permanent scientific record.
Last date updated on September, 2014