Results 181 to 190 of about 14,257 (219)
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[The microvascularity of human placental villi].
Comptes rendus hebdomadaires des seances de l'Academie des sciences. Serie D: Sciences naturelles, 1979Scanning electron microscopic observation of plastic casts of human chorionic villi vasculature has demonstrated that in the area of placental exchange two blood capillary networks are present: the paravascular and the villous capillary networks. S.E.M. provides precise information on the shape and anatomical relations of these blood capillary networks.
M, Thiriot, M, Panigel
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Vasculogenesis in early human placental villi: an ultrastructural study
Annals of Anatomy - Anatomischer Anzeiger, 1999In this study we examined the chorionic villi of 5 normal human placentas at 12-14 weeks of gestation ultrastructurally with regard to differentiation of the vascular components. The aim of the present report is to discuss the factors influencing vasculogenesis (in situ formation of blood vessels) at the ultrastructural level. Our observations have led
E, Aşan +4 more
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An integrative view on the physiology of human early placental villi
Progress in Biophysics and Molecular Biology, 2014The placenta is an indispensable organ for intrauterine protection, development and growth of the embryo and fetus. It provides tight contact between mother and conceptus, enabling the exchange of gas, nutrients and waste products. The human placenta is discoidal in shape, and bears a hemo-monochorial interface as well as villous materno-fetal ...
Berthold, Huppertz +2 more
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[Ultrastructural changes of the terminal placental villi in placental insufficiency].
Zentralblatt fur Gynakologie, 1979Ultrastructural changes of the placenta in toxemia of pregnancy and in diabetes are described. In toxemia of pregnancy in the placenta definite morphological changes were observed; marked atrophy of the syntitial layer was followed by hyperplasia of the cytotrophoblastie cells.
Z, Szarvas, P, Treit
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Modeling oxygen transport in human placental terminal villi
Journal of Theoretical Biology, 2011Oxygen transport from maternal blood to fetal blood is a primary function of the placenta. Quantifying the effectiveness of this exchange remains key in identifying healthy placentas because of the great variability in capillary number, caliber and position within the villus-even in placentas deemed clinically "normal".
J S, Gill +3 more
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Expression and Localization of Heme Oxygenase in Human Placental Villi
Biochemical and Biophysical Research Communications, 2000The aim of the present study was to investigate the expression and distribution patterns of heme oxygenase (HO)-1 and HO-2 in human placental villi at term and in the first trimester of pregnancy using reverse transcription-polymerase chain reaction (RT-PCR), Western blotting, and immunohistochemistry.
N, Yoshiki, T, Kubota, T, Aso
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Peculiarities of RIG-1 Expression in Placental Villi in Preeclampsia
Bulletin of Experimental Biology and Medicine, 2019The expression of RIG-1 in placenta samples was assessed in women of reproductive age with early- and late-onset preeclampsia and cesarean delivery at 27-39 weeks of gestation. The highest expression of RIG-1 was found in the syncytiotrophoblast of placental villi in the group with uncomplicated full-term pregnancy (normal); RIG-1 expression in groups ...
N V, Nizyaeva +5 more
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Calcification of the basement‐membrane of placental villi
The Journal of Pathology, 1971C R, Avery, K, Aterman
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Microdissection of Placental Villi
American Journal of Clinical Pathology, 1968openaire +2 more sources