Results 341 to 350 of about 44,340 (376)
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Lactosylceramide-Induced Apoptosis in Primary Amnion Cells and Amnion-Derived WISH Cells
Journal of the Society for Gynecologic Investigation, 2002Amnion apoptosis is part of a programmed process of fetal membrane remodeling leading to weakening and rupture. The apoptotic agent lactosylceramide is elevated in amniotic fluid of premature infants with rupture of membranes. We have shown that apoptosis in WISH cells, induced by staurosporine, cycloheximide, or actinomycin D, can be blocked by ...
David W. Lundgren +3 more
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1967
The structure of the fetal membranes has been elucidated by the numerous comparative studies of Bautzmann and his colleagues. A complete summary of the literature of normal and pathologic findings in amnion and chorion is found in the monograph of Bourne who, in several studies, has contributed greatly to the understanding of the pathology of the ...
Kurt Benirschke, Shirley G. Driscoll
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The structure of the fetal membranes has been elucidated by the numerous comparative studies of Bautzmann and his colleagues. A complete summary of the literature of normal and pathologic findings in amnion and chorion is found in the monograph of Bourne who, in several studies, has contributed greatly to the understanding of the pathology of the ...
Kurt Benirschke, Shirley G. Driscoll
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Amnion Rupture in the Second Trimester
Australian and New Zealand Journal of Obstetrics and Gynaecology, 1995Summary: Two cases of amnion rupture are presented in ‘low‐risk’ pregnancies. One case ended in fetal death in utero at 21 weeks. The other resulted in the preterm delivery of an otherwise normal male with mild amniotic band syndrome.
Beverley Hewitt BMed Sc +3 more
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Morphologic studies of the ruptured amnion
American Journal of Obstetrics and Gynecology, 1967An operative technique of experimental rupture of the fetal membranes in the guinea pig was devised to permit continuation of the pregnancy and subsequent histologic examination for evidence of regeneration. The definitive amnion after premature rupture may regenerate morphologically normal tissue.
Louis M. Hellman +2 more
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Cellular remodeling of the amnion [PDF]
Science, 2020 Reproductive Biology The embryo-surrounding amnion remodels through epithelial-tomesenchymal transition (EMT) and the reverse process, termed MET. Richardson et al. found that in amnions from mice and human term births, EMT was greater after labor compared with before the onset of labor.
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Natural antimicrobial production by the amnion
American Journal of Obstetrics and Gynecology, 2007The purpose of this study was to determine the expression of natural antimicrobials in primary cultured amnion epithelial cells and to examine their regulation by interleukin-1 beta (IL-1beta).Primary amnion epithelial cells were cultured from samples that were obtained at prelabor cesarean section (n = 12) and stimulated with IL-1beta.
Sarah J. Stock +3 more
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Amnion string swallowed by the fetus
American Journal of Obstetrics and Gynecology, 1964moved. This provoked moderate bleeding from the edges of the ruptured uterus. Inspection of the anterior aspect of the uterus just above the peritoneal reflection disclosed a discoloration of the peritoneum at this site with an outpouching from the uterus approximately 5 cm. in diameter.
Richard Torpin +2 more
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HUMAN AMNION FOR TISSUE CULTURE
Canadian Journal of Microbiology, 1964Several aspects of processing human amnion for tissue culture were studied, with particular emphasis on cell separation and infection control. EDTA proved a desirable substitute for trypsin as a wash and predigestion agent. Cultures for bacteria and fungi showed most amnions to be infected with bacteria or yeast or both.
Donna Miller, J. C. Wilt, J. Ruiter
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Electrical Activity in Chick Amnion
American Journal of Physiology-Legacy Content, 1956Isolated amnions from chick embryos showed spontaneous electrical activity, both local and conducted. Responses to barium and to shocks were conducted at an average of 2.9 cm/sec. (38–40°C). Conducted responses were observed in amnions at 5–10 days of incubation.
Nancy S. Rafferty, C. Ladd Prosser
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Role of Ureaplasma urealyticum in amnionitis
The Pediatric Infectious Disease Journal, 1986Ureaplasma urealyticum is commonly isolated from the amniotic fluid of unselected individuals with intact membranes at the time of cesarean section even prior to onset of labor. The risk of placental infection increases with onset of labor, rupture of membranes and number of vaginal examinations.
R S Gibbs +3 more
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