Stages of getting erect

How erection works Erection is defined as “the state of the penis when the erectile tissue becomes filled or swollen with blood and causes the penis to become rigid and elevate.” Wood, boner, hard-on, —Whatever you want to call it, an erection is a much more complex and surprising event than the most common nicknames […]

Testosterone free and total

  Testosterone is the main male sex steroid produced by Leydig cells in the testes, with an average secretion rate of 7 mg/day. Based on calculations from spermatic vein/peripheral vein gradients. Leydig cells can also release intermediate metabolites such as androsterone, androstenedione, 17-OH progesterone, progesterone, and Pregnenolone. Approximately 5% of the T pool is of […]

Average testosterone levels by age

What we know about Testosterone In men, testosterone, the principal circulating androgen, has essential reproductive functions in establishing and maintaining the male phenotype. It is very closely associated with the male sex drive and has a major role here. Before we’ll start talking about the average testosterone levels by age, let’s understand the critical role […]

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