azoospermia


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azoospermia

 [a″zo-o-sper´me-ah]
lack of live spermatozoa in the semen; see also aspermatogenesis.

a·zo·o·sper·mi·a

(ā'zō-ō-sper'mē-ă),
Absence of living spermatozoa in the semen; failure of spermatogenesis.
See also: aspermia.
[G. a- priv. + zōon, animal, + sperma, seed]

azoospermia

/azoo·sper·mia/ (a-zo″o-sper´me-ah) lack of live spermatozoa in the semen; classified as obstructive or nonobstructive depending on whether cause is blockage of the tubules or ducts.

azoospermia

[āzō′əspur′mē·ə]
Etymology: Gk, a, zoon, not animal, sperma seed
lack of spermatozoa in the semen. It may be caused by testicular dysfunction, cancer chemotherapy, or blockage of the tubules of the epididymis, or it may be induced by vasectomy. Infertility, but not impotence, is associated with azoospermia. Compare oligospermia.

azoospermia

Complete absence of sperm in the semen, with resultant infertility.

Azoospermia
• Pretesticular—due to absence of FSH secondary to hypopituitarism, hyperprolactinemia and FSH suppression by exogenous androgens.
• Testicular—The most common cause, in which the testes are atrophic, typically due to cryptorchidism or Sertoli cell-only syndrome, but also orchiditis, cancer, surgery, trauma or radiation.
• Post-testicular—due to vasectomy, agenesis of vas deferens or ejaculatory dysfunction.

azoospermia

Urology Complete absence of sperm in the semen, with resultant infertility. See Oligospermia.

a·zo·o·sper·mi·a

(ā'zō-ō-spĕr'mē-ă)
Absence of living sperms in the semen; failure of spermatogenesis.
[G. a- priv. + zōon, animal, + sperma, seed]

azoospermia

Absence of spermatozoa from the seminal fluid, a cause of male sterility. Sperms may still be being produced in the testes.

azoospermia

absence of spermatozoa in the semen, or failure of formation of spermatozoa.
References in periodicals archive ?
The results of TESE on Non Obstructive Azoospermia (NOA) were compared with conventional ICSI in terms of respective pregnancy and fertilization rates and it was concluded that IVM may represent an option in NOA cases (4).
Genetic anomalies in patients with severe oligozoospermia and azoospermia in eastern Turkey: a prospective study.
Among male patients diagnosed with HL, 21% and 49% had azoospermia, and moderate or mild semen abnormalities, respectively (14).
As stated above, the categories of azoospermia are:
Chapter 12 presents a nice approach to manage men with azoospermia.
Although previous research had identified deletions in the region of the Y known as AZFc (for azoospermia factor c) as causing severe spermatogenic failure (SSF), this latest analysis, conducted by Whitehead Institute Director David Page and colleagues, is the first to determine how prevalent these deletions are in the general population.
Reproductive medicine, obstetrics and gynecology, infertility, andrology, and other specialists from the US, Europe, and Middle East cover physiology; aspects of infertility, including disorders of ovulation, male factors, endometriosis-associated infertility, unexplained infertility, and emotional factors; and assisted reproductive technology, including insemination, intracytoplasmic sperm injection, treatment of severe ovarian hyperstimulation syndrome, cryopreservation, preimplantation genetic diagnosis, molecular biology, fertility preservation in female cancer patients, non-obstructive azoospermia, the role of fibroids, IVF in transplant and cardiac patients, and religious aspects associated with Judaism, Christianity, and Islam.
Radiation badly affects the ovary and the testes, causing a disease called azoospermia -- an infertility condition in men characterised by a sperm count of zero," he added.
True (A) or false (B)--click on the correct answer: After vasectomy couples should be advised to use alternative contraception until semen analysis has confirmed azoospermia.