Latest Semen Stories
When sperm meets egg, the chemical instructions that tag sperm cells must be erased so that human life can start anew.
The world's largest sperm bank, Cryos, said recently that it is now turning down redheaded donors because supply is currently greater than demand.
The son of a donor has found that he has 150 half-siblings who came from the same donor.
Scientists have discovered exactly how a human egg captures incoming sperm to begin the process of fertilization.
Semen quality may be an indicator of a man's overall health. (PRWEB) August 10, 2011 Is poor semen quality a new longevity risk factor? Normally, a doctor looking for a snapshot of a patientâ€™s health will ask about smoking, drinking, diet, and exercise and then measure cholesterol, blood pressure, blood sugar, and weight or waist size.
Scientists at the University of Liverpool have found that male fruitflies experience a type of 'paranoia' in the presence of another male, which doubles the length of time they mate with a female, despite the female of the species only ever mating with one male.
Fertility scientists have created artificial sperm using stem cells for the first time in a breakthrough that could lead to new treatments for infertile men.
In new research that could have implications for improving fertilization in humans and other mammals, life scientists studied interactions between individual sperm and eggs in red abalone, an ocean-dwelling snail, and made precise chemical measurements and physical models of these interactions.
The loss of a protein that coats sperm may explain a significant proportion of infertility in men worldwide, according to a study by an international team of researchers led by UC Davis.
A groundbreaking new test for male infertility, which will save time, money and heartache for couples around the world, has been developed at Queen's University Belfast.
The male prostate gland acts as an exocrine gland in the male reproductive system. It is a firm, partly muscular, chestnut sized gland near the neck of the urethra in males. Formation and Orientation The prostate is usually formed within the ninth week of the embryonic stage in reproductive development. The prostate can be separated into either “lobes” or “zones”. When looking at a prostate divided into zones, there are four distinct regions. The first zone is the Peripheral...