Placentation is the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory...
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Gynoecium (section Placentation)
born on a line of placentation at the inner angle of each locule, this is axile placentation. An ovary with free central placentation, on the other hand...
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patterns of ovule attachment, or placentation, can be found among plant species, these include: Apical placentation: The placenta is at the apex (top)...
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Antepartum bleeding (section Abnormal placentation)
attachment to the uterine wall, this is known as abnormal placentation. Abnormal placentation can categorised into 3 types, depending on the depth of infiltration...
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whatsoever to me!" Weekes' early work on the subject of reproduction and placentation in reptiles is held in high regard and is often cited by researchers...
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and compositae (Asteraceae). There are different types of placentation: Marginal placentation: it is typical of unicarpel gynoecium (Leguminosae) or dialicarpel...
59 KB (7,630 words) - 11:36, 27 May 2024
World's Wildlife. DK Adult (2005), ISBN 0789477645 2."Comparative Placentation". Placentation.ucsd.edu. Retrieved 17 August 2012. Geist, Valerius (1998). Deer...
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Carples: five, syncarpous, ovary superior, penta or multilocular with axile placentation, one ovule in each locule; style 1, passing through the staminal tube;...
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one to 50 ovules that are anatropous or hemianatropous with axillar placentation. The development of the embryo sack can be the same as for Polygonum...
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trophoblast cell invasion of the endometrium occurs, also known as hemochorial placentation. This allows maternal blood to come into direct contact with the fetal...
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lateral lines. The ovary is inferior and has only one ovule, with basal placentation. In members of the Asteraceae the fruit is achene-like, and is called...
59 KB (4,845 words) - 06:45, 4 July 2024
Schwaha T, Genikhovich G, Ereskovsky AV (August 2016). "Matrotrophy and placentation in invertebrates: a new paradigm". Biological Reviews of the Cambridge...
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seed with a curved embryo developed in a curved ovule with pendulous placentation, a berry anatomy that is similar to that of the genus Phytolacca. Though...
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(2015). "Retroviral envelope gene captures and syncytin exaptation for placentation in marsupials". Proceedings of the National Academy of Sciences of the...
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Implantation (embryology) (category Placentation)
stages of implantation including two pre-implantation stages that precede placentation, the first four are similar across the species. The five stages are migration...
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grow from placental areas at the interior of the ovary. (This is axile placentation in a bi-locular fruit.) The placentae in Lunaria are along the margins...
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an ancestor which was characterized by a plurilocular ovary and axial placentation. This primitive flower might well be found in centrospermal stock as...
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flower is superior and the flower has regular symmetry. It has basal placentation, with 1 locule and 5 carpels. It flowers mostly in the summer, but in...
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PMID 15743856. Norwitz ER (October 2006). "Defective implantation and placentation: laying the blueprint for pregnancy complications". Reprod. Biomed. Online...
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System in the Postimplantation Period: A Role during Decidualization and Placentation". International Journal of Endocrinology (Review). 2013: 1–11. doi:10...
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Erythranthe (species with axile placentation and long pedicels), 46 placed into Diplacus (species with parietal placentation and sessile flowers), two placed...
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with its receptor interleukin 11 receptor alpha; such functions include placentation and to some extent decidualization. IL11 has a role during blastocyst...
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celled but at maturity four celled due to the formation of septum, axile placentation, 1 ovule in each chamber; style gynobasic, long; stigma bifid subulate...
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formation* Successive microsporogenesis Syncarpous gynoecium Parietal placentation Monocotyledonous seedling Persistent radicle Haustorial cotyledon tip...
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and all have ovaries that are superior or half-inferior with parietal placentation. Salicaceae are divided into three subfamilies, with Salicoideae further...
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bundles in the lower left of the picture bend in the periphery, so the placentation is not parietal but involute." Holstein (2015): "a Ripening fruit of...
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1091650311. PMID 5346723. S2CID 85011250. Krause, W.J. & Cutts, H. (1985). "Placentation in the Opossum, Didelphis virginiana". Acta Anatomica. 123 (3): 156–171...
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Patricia (November 2003). "Morphogenesis of extraembryonic membranes and placentation inMabuya mabouya (Squamata, Scincidae)". Journal of Morphology. 258 (2):...
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is bicarpellary, syncarpous, superior, unilocular, ovule one, basal placentation, style single and filiform, stigma capitate. Fruits: Oblong utricle Seeds:...
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folate is important for oocyte quality and maturation, implantation, placentation, fetal growth and organ development. One meta-analysis reported that...
101 KB (11,049 words) - 21:59, 6 August 2024