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Difference between revisions of "Placenta"
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→Chorion: +subchorionic fibrin deposition
m (→Placental meconium: std) |
(→Chorion: +subchorionic fibrin deposition) |
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*Opposed to "trophoblastic X cells" on side opposite of amnion.<ref name=Ref_H4P2_974>{{Ref H4P2|974}}</ref> | *Opposed to "trophoblastic X cells" on side opposite of amnion.<ref name=Ref_H4P2_974>{{Ref H4P2|974}}</ref> | ||
**Beneath of the "trophoblastic X cells" is ''decidua'' (mnemonic ''NEW'' = nucleus central, eosinophilic, well-defined cell border), which is maternal tissue. | **Beneath of the "trophoblastic X cells" is ''decidua'' (mnemonic ''NEW'' = nucleus central, eosinophilic, well-defined cell border), which is maternal tissue. | ||
Note: | |||
*Fibrin deposition may be found deep to the chorion - known as ''subchorionic fibrin deposition''. | |||
**Gross: subchorionic, white/yellow, laminated, classically has a triangular-shape with the base of triangle parallel to fetal aspect of disc. | |||
***Arises due to stasis of maternal blood. | |||
**This is considered to be a normal finding - seen in ~15% of cases.<ref name=pmid21393870>{{Cite journal | last1 = Narasimha | first1 = A. | last2 = Vasudeva | first2 = DS. | title = Spectrum of changes in placenta in toxemia of pregnancy. | journal = Indian J Pathol Microbiol | volume = 54 | issue = 1 | pages = 15-20 | month = | year = | doi = 10.4103/0377-4929.77317 | PMID = 21393870 |URL = http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2011;volume=54;issue=1;spage=15;epage=20;aulast=Narasimha }}</ref><ref>URL: [http://zulekhahospitals.com/uploads/files/Sub-chorionic.pdf http://zulekhahospitals.com/uploads/files/Sub-chorionic.pdf]. Accessed on: 17 August 2012.</ref> | |||
==Common terms== | ==Common terms== | ||