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 ?
30% (27/133) in non-obstructive azoospermic and severely oligozoospermic patients, respectively.
The current study was planned to compare the in vitro effects of collagen and growth factors on the proliferation of adult human SSCs obtained from azoospermic patients.
A constitutional complex chromosome rearrangement involving meiotic arrest in an azoospermic male: Case report.
Results The seminal plasma of normospermic and azoospermic men has been analyzed by ATR-IR.
The serum and seminal plasma Cd levels were increased in azoospermic men in comparison to oligozoospermic and control subjects while a significant negative correlation was observed between serum Cd level and all examined biophysical semen characteristics except sperm volume.
Material and methods: Sixty-four azoospermic and 51 oligozoospermic patients with infertility and 70 healthy men who had a child naturally without assisted reproductive technology were included in this study.
Infertile men who weren't azoospermic, in contrast, exhibited a statistically insignificant increased cancer risk of only 1.
Does PGD for aneuploidy screening change the selectionof embryos derived from testicular sperm extraction in obstructive and non-obstructive azoospermic men?
Klinefelter's syndrome is among the most frequent genetic causes of human infertility, occurring in 11% of azoospermic men and 4% of infertile men (Van Assche et al.
The most common type of surgery for the male is to treat percutanous testicular aspiration/ epidiymal aspiration in azoospermic patients.
azoospermic patients have prior sexually transmitted diseases which have been linked to seminiferous tubular damage and infertility [25, 26].
Although chemotherapy regimens have attempted to reduce toxicity to the gonads as much as possible, as many as two-thirds of patients are azoospermic after treatment.