These hormones stimulate the growth of reproductive organs, which produce sex hormones like testosterone (primary male sex hormone) and estrogen (important female sex hormone). Gonad differentiation, ...
This hormone is made primarily in the testes, which are reproductive organs and glands found in male birds ... Most birds follow a predictable seasonal breeding cycle initiated by the endocrine system ...
No organ system is spared from the effects of air pollution, and more Indians are getting lung cancer because of it, thoracic surgeon Arvind Kumar tells us in this interview ...