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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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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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...
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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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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...
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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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(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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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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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...
17 KB (1,945 words) - 19:08, 9 April 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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formation* Successive microsporogenesis Syncarpous gynoecium Parietal placentation Monocotyledonous seedling Persistent radicle Haustorial cotyledon tip...
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where it originated multiple times, including the genus Poeciliopsis. Placentation has also evolved in some reptiles. The mammalian placenta evolved more...
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three united carpels and an inferior ovary, three locules and axile placentation with fruit that is a loculicidal capsule. Crocus is an acaulescent (lacking...
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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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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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per gynoecium is followed by lowercase letter describing the type of placentation. For epicalyx/calyculus, the letter "k" is used. The numbers are inserted...
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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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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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Placental disease (redirect from Placentation abnormality)
Furuya M, Ishida J, Aoki I, Fukamizu A (2008). "Pathophysiology of placentation abnormalities in pregnancy-induced hypertension". Vasc Health Risk Manag...
12 KB (1,228 words) - 03:54, 1 July 2024
"Loss of egg yolk genes in mammals and the origin of lactation and placentation". PLOS Biol. 6 (3): e63. doi:10.1371/journal.pbio.0060063. PMC 2267819...
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style. There are numerous anatropous (curved) ovules which display axile placentation (parietal in Scoliopus and Medeola), usually with an integument and thinner...
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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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folate is important for oocyte quality and maturation, implantation, placentation, fetal growth and organ development. One meta-analysis reported that...
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World's Wildlife. DK Adult (2005), ISBN 0789477645 "Comparative Placentation". Placentation.ucsd.edu. Retrieved 17 August 2012. Boitani, Luigi (1984) Simon...
27 KB (3,071 words) - 19:47, 6 November 2024
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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