The Paper is divided into two parts; at first: The role of endocrine system on anatomical development of internal and external sexual organs; Second part discusses the Endocrine View point of gender identity gender role, impotence, frigidity and other psychosexual disorders like homosexualism and transsexualism. 

A plethora of hormones regulate many of the body’s functions, including growth and development, metabolism, electrolyte balances, and reproduction. Numerous glands throughout the body produce hormones. The hypothalamus produces several releasing and inhibiting hormones that act on the pituitary gland, stimulating the release of pituitary hormones. Of the pituitary hormones, several act on other...

the endocrine, or hormonal, system is the primary regulatory mechanism for virtually the entire human body. Hormones are chemical messengers that control and coordinate the function of tissues and organs. Each hormone is secreted from a particular gland and distributed throughout the body to act on different tissues. Hormones are released as a result of nerve impulses or in response to specific...

in the religion of islam, fasting is obligatory for healthy adults during ramadan. millions of muslims around the world practice fasting in this holy month which may cause different metabolic and hormonal changes due to the restrictions in regular caloric intake. this article was aimed to review some possible effects of ramadan fasting on the endocrine system which has a great impact on physiol...

nitric oxide (no) is a simple ubiquitous signaling molecule and plays important roles in almost every biological system. recent evidences suggest that no may act as an endocrine molecule. the aim of this review is considering available literature on endocrine roles of no and/or its metabolites, i.e. nitrite and nitrate. existing data suggest the idea that no is a hormone that after production i...