May 29, 2014

Estrogen

Female hormones that block the luteinizing hormone (LH) and can inhibit testosterone production to the castrate range.
May 29, 2014

Erectile Dysfunction (E.D.)

Dysfunction (Also known as E.D. or Impotence): The loss of ability to produce and/or sustain an erection sufficient for intercourse.
May 29, 2014

Enzyme

A chemical substance produced by living cells that causes chemical reactions to take place while not being changed itself.
May 29, 2014

Endocrine

A term referring to the ductless glands, such as the pituitary and the testes, which make an internal secretion or hormone which passes into the bloodstream […]
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