Oar definition, a long shaft with a broad blade at one end, used as a lever for rowing or otherwise propelling or steering a boat. See more.
Human Growth Hormone (rHGH, HGH, or GH), as the name suggests is a hormone that is responsible for the growth of the body through cell reproduction and regeneration.Also called somatropin, it is produced in the somatotropic cells in the pituitary gland.GH is primarily responsible for the proper growth of our bones, muscles and other tissues among children. Deficiency of this hormone would result in stunted growth of the human body.
In the male, the principal sex hormones are the androgens, of which testosterone is the most important. The androgens are steroid hormones produced mainly by the Leydig cells(interstitial cells located near the seminiferous tubules) of the Testes. Testosterone and other androgens are directly responsible for the primary and secondary sex characteristics of the male.