Human Blastocyst grown in vitro in Ovulation Cervical Mucus
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چکیده
منابع مشابه
Enzymes Activity in Bovine Cervical Mucus Related to the Time of Ovulation And Insemination
Forty-five dairy cows were used to compare the enzyme activity of alkaline phosphatase (ALP), lactate dehydrogenase (LDH), α -amylase in the cervical mucus of cows during spontaneous and induced estrus using progestagen or PGF2 α and to determine whether these enzymes affect the fertility in cows with induced estrus, at the time of Al. The animals were assigned to 3 groups (no treatment, a Cres...
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The antibacterial activity of human cervical mucus (CM) was examined on standardized microbial colonized agar plates (agar diffusion test). In parallel, the lysozyme content of CM was determined by means of a turbidimetric test system in aliquots of the same CM specimens. Suspensions of living lyophilized Micrococcus lysedeikticus were used as bacterial substrate. Testing was performed in a tot...
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Human cervical mucus is a heterogeneous mixture of mucin glycoproteins whose relative concentration changes during the ovulatory phases, thereby producing different mucus aggregation structures that can periodically permit the transit of spermatozoa for fertilization. In preovulatory phase, mucus is arranged in compact fiber-like structures where sperm transit is hindered. Previously, through o...
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COELINGH BENNINK, H. J. T. and MENGE, A. C. (1974): Spermatozoa1 antibodies in cervical mucus. Europ. .I. Obstet. Gynec. reprod. Biol., 414, 147-l 52. The indirect immunofluorescent technique performed on spermatozoa provides a suitable method for detecting spermatozoa1 antibodies in cervical mucus. Blood sera and preovulatory cervical mucus samples from I3 women with infertility of unknown ori...
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Movement characteristics of freely swimming spermatozoa were studied with high-speed cinemicrography. At 21 degrees C, flagellar beat frequency was higher in midcycle human cervical mucus than in native semen or Tyrode's solution; the beat shape differed, possessing diminished amplitude and wavelength. Although the spermatozoa swam straighter in the mucus, the progressive swimming speeds did no...
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ژورنال
عنوان ژورنال: Nature
سال: 1971
ISSN: 0028-0836,1476-4687
DOI: 10.1038/229343a0