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. 

Introduction: Internal radiation dosimetry is important from a radiation protection point of view and can help to optimize the radiation dose delivered to the workers, public, and patients. It has a rather simple protocol but needs a large amount of data. Therefore, it is difficult to do on a routine basis. The use of computer programs makes internal radiation dosimetry simpler...