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Encyclopedia > Azoospermia

Azoospermia is the medical condition of a man not having any measurable level of sperm in his semen. It is, unsurprisingly, associated with very low levels of fertility. A disease is any abnormal condition of the body or mind that causes discomfort, dysfunction, or distress to the person affected or those in contact with the person. ... Schematic diagram of a sperm cell, showing the (1) acrosome, (2) cell membrane, (3) nucleus, (4) mitochondria, and (5) flagellum (tail) A sperm cell, or spermatozoon ( spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. ... Semen or ejaculate is the fluid discharged from the penis during ejaculation, usually at the time of orgasm. ...

Azoospermia has two forms:

  • obstructive azoospermia, where sperm are created, but cannot be mixed with the rest of the ejaculatory fluid due to a physical obstruction, and;
  • non-obstructive azoospermia, where there is a problem with spermatogenesis.

Compare with aspermia. Spermatogenesis refers to the creation, or genesis, of sperm cells, which occurs in the male gonads or testes. ...

See also

  Results from FactBites:
Male Infertility - Non-obstructive Azoospermia and TESE (2052 words)
Azoospermia may be due to either abnormal sperm production (non-obstructive azoospermia) or normal sperm production in the presence of obstruction (obstructive azoospermia).
For all patients with azoospermia, a complete history and physical examination is necessary to identify potentially correctable causes of male factor infertility.
Testicular sperm extraction with ICSI for non-obstructive azoospermia.
Welcome to Arizona Associates for Reproductive Health (1100 words)
Obstructive azoospermia is the complete lack of sperm in the ejaculate due to a blockage in the male reproductive tract or the absence of the part of the reproductive tract that carries sperm from the testicle to outside the body.
Men with obstructive azoospermia almost always have some sperm in their testicles, but these sperm are not found in the semen because of the blockage or absence of part of the reproductive tract.
Because only one-half of the patients with nonobstructive azoospermia have sperm identified at the time of TESE, it is recommended that these men undergo a diagnostic TESE procedure prior to the procedure to stimulate the female partner to produce eggs for IVF.
  More results at FactBites »



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