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Hypospadias is a common malformation in fetal development of the penis in which the urethra does not open from its usual location on the head of the penis. It is the second-most common birth defect of the male reproductive system, affecting about one of every 250 males at birth, [3] although when including milder cases, is found in up to 4% of newborn males. [4]
Diphallia, penile duplication (PD), diphallic terata, or diphallasparatus is an extremely rare developmental abnormality in which a male is born with two penises. [1] [2] The first reported case was by Johannes Jacob Wecker in 1609.
A common criterion is a dorsal (measured on top) penile length of at least 2.5 standard deviations smaller than the mean human penis size for age. [1] A micropenis is stretched penile length equal to or less than 1.9 cm (0.75 in) in term infants, and 9.3 cm (3.67 in) in adults. The condition is usually recognized shortly after birth.
[76] [77] In May 2019, more than 50 intersex-led organizations signed a multilingual joint statement condemning the introduction of "disorders of sex development" language into the International Classification of Diseases, stating that this causes "harm" and facilitates human rights violations, calling on the World Health Organization to ...
Semen displacement is an adaptation of the shape of the penis to draw foreign semen away from the cervix. This means that in the event of a rival male's sperm occupying the reproductive tract of a female, the human penis is able to displace the rival sperm, replacing it with his own. [42] Semen displacement has two main benefits for a male.
We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #553 on ...
Other abnormalities can be detected during male genital examination including Peyronie's disease. Peyronie's disease is caused by an injury or an autoimmune disease that results in plaque build up under the skin of the penis. A lot of build up of this plaque will cause a curvature to the penis and can cause pain during erection.
The United Kingdom was afflicted with an outbreak of bovine spongiform encephalopathy (BSE, also known as "mad cow disease"), and its human equivalent variant Creutzfeldt–Jakob disease (vCJD), in the 1980s and 1990s. Over four million head of cattle were slaughtered in an effort to contain the outbreak, and 178 people died after contracting ...