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Difference between revisions of "Trophoblast"
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*Blood vessels present and at the periphery of villus - contain nucleated (fetal) RBCs. | *Blood vessels present and at the periphery of villus - contain nucleated (fetal) RBCs. | ||
*Syncytial knots. | *Syncytial knots. | ||
==Trophoblast table== | |||
Based on Shih ''et al.'':<ref name=pmid11192071/> | |||
{| class="wikitable" | |||
| | |||
| '''Cytotrophoblast''' | |||
| '''Syncytiotrophoblast''' | |||
| '''Villous IT''' | |||
| '''Implanation site IT''' | |||
| '''Chorionic-type IT''' | |||
|- | |||
| Nuclear features | |||
| round, small | |||
| multinucleated | |||
| polyhedral | |||
| pleomorphic +/-multinucleation | |||
| round/polyhedral | |||
|- | |||
| Cell borders | |||
| well-defined | |||
| poorly defined | |||
| well-defined | |||
| poorly defined | |||
| poorly defined | |||
|- | |||
| Cytoplasm | |||
| minimal, clear to granular | |||
| abundant, vacuolated | |||
| abundant & eosinophilic to clear | |||
| abundant & eosinophilic | |||
| abundant & eosinophilic | |||
|- | |||
| IHC | |||
| beta-hCG ??? | |||
| beta-hCG | |||
| ??? | |||
| LMWK, inhibin | |||
| ??? | |||
|- | |||
| Image | |||
| | |||
| | |||
| | |||
| [http://commons.wikimedia.org/wiki/File:Intermediate_trophoblast_-_high_mag.jpg] | |||
| | |||
|} | |||
==See also== | ==See also== | ||