Results 311 to 320 of about 854,609 (354)
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Observations on the fetal aspects of placental circulation
American Journal of Obstetrics and Gynecology, 1951Abstract 1. 1. The fetal vascular ramifications of the human placenta have been studied with a variety of injection techniques. Vinyl acetate injected placentas have been corroded. India ink-injected material has been cleared with a modified Spalteholtz procedure. 2. 2.
Seymour L. Romney, Duncan E. Reid
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Basic & Clinical Pharmacology & Toxicology, 2012
The aim of the study was to evaluate the pentoxifylline administration on the foetal-placental circulation and neonatal outcome in women with threatened preterm labour.
R. Lauterbach +6 more
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The aim of the study was to evaluate the pentoxifylline administration on the foetal-placental circulation and neonatal outcome in women with threatened preterm labour.
R. Lauterbach +6 more
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Studies in placental circulation
American Journal of Obstetrics and Gynecology, 1970Planimetric estimations of placental surface have emphasized total villus area. This, however, is not always equivalent to vascular area upon which fetomaternal exchange ultimately depends. Using microphotographs of fresh-placental tissue, a study was undertaken to determine the relationship between villus and vascular areas in normal and abnormal ...
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Circulating Angiogenic Factors and Placental Abruption
Obstetrics & Gynecology, 2006Abnormalities in circulating angiogenic factors have been reported in diseases of abnormal placentation, such as preeclampsia and intrauterine growth restriction. Our objective was to determine whether circulating angiogenic factors are altered in another placental vascular disease, abruptio placentae.In a nested case-control study of nulliparous ...
Cong Qian +7 more
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Journal of Clinical Endocrinology and Metabolism, 1995
This study has used an in vitro perfusion method to investigate the mechanism by which CRH causes vasodilatation in the human fetal-placental circulation. In normal term placentas, vasodilatory responses to human CRH (24-7000 pmol/L) were examined during
V. Clifton +6 more
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This study has used an in vitro perfusion method to investigate the mechanism by which CRH causes vasodilatation in the human fetal-placental circulation. In normal term placentas, vasodilatory responses to human CRH (24-7000 pmol/L) were examined during
V. Clifton +6 more
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Corticotropin-releasing hormone-induced vasodilatation in the human fetal placental circulation.
Journal of Clinical Endocrinology and Metabolism, 1994The vasoactive effects of corticotropin-releasing hormone (CRH) in the human fetal-placental circulation in vitro have been investigated. Single lobules of term placentae were bilaterally perfused with constant flows of Krebs' solution (maternal and ...
V. Clifton +5 more
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pO2 Levels in the Placental Circulation of the Mare and Ewe
Nature, 1968PREVIOUS work on the oxygen tension in different parts of the placental circulation has been confined almost entirely to sheep and goats, in which the pO2 gradient between the umbilical and uterine circulations is high1 and large changes in foetal pO2 levels are difficult to produce2–4.
R. Comline, M. Silver
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Circulation in the Fetal-Placental Unit [PDF]
, 1991 Circulation of blood has evolved to transport oxygen and energy substrates to the tissues of the body and to remove carbon dioxide and other metabolites. The circulation carries regulatory hormones to the tissues. Postnatally, respiratory gases enter and leave the body through the lungs, and energy sources are provided from the gastrointestinal tract ...
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Circulating and utero-placental adaptations to chronic placental ischemia in the rat
Placenta, 2012While utero-placental insufficiency is associated with adverse outcomes for both mother and fetus, many of the maternal-fetal adaptations during pregnancy in models of fetal compromise remain unclear. The purpose of this study was to determine if chronically reduced uterine perfusion pressure (RUPP) during days 14-19 of gestation alters feto-placental ...
S. Chasson +4 more
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Investigation of the Utero-Placental Circulation
1995Until recently Doppler ultrasound studies of the utero-placental circulation have been limited to the late second and third trimesters of pregnancy. The introduction of transvaginal transducers has enabled studies of the utero-placental and fetal circulations in the first trimester.
E. Jauniaux, Davor Jurkovic, S. Campbell
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