File:Placental trophospongium.jpg

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Placental trophospongium in initial pregnancy.

(A) HE. The placenta mostly consists of trophospongium (tsp) around the maternal blood channels (mbc). Layers of cellular trophoblast (ct) are situated on fetal mesenchyme along the central excavation, covered by syncytial trophoblast (syt).

(B) TEM. The trophoblast cells have large intercellular spaces in between and towards the syncytiotrophoblast. Scale bars = 0.1 mm for histology and 2 μm for TEM.

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2543018

1477-7827-6-39-3.jpg

Reprod Biol Endocrinol. 2008; 6: 39. Published online 2008 September 4. doi: 10.1186/1477-7827-6-39.

Copyright © 2008 Oliveira et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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current09:25, 16 August 2009Thumbnail for version as of 09:25, 16 August 2009567 × 344 (94 KB)S8600021 (talk | contribs)Placental trophospongium in initial pregnancy. (A) HE. The placenta mostly consists of trophospongium (tsp) around the maternal blood channels (mbc). Layers of cellular trophoblast (ct) are situated on fetal mesenchyme along the central excavation, cove