Reports

Placenta of the Indian Elephant, Elephas indicus

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Science  16 Oct 1964:
Vol. 146, Issue 3642, pp. 410-412
DOI: 10.1126/science.146.3642.410

Abstract

The placenta of the Indian elephant is incompletely annular and zonary macroscopically and occupies the equator of an ovoid chorioallantoic sac. The amnion is fused with the chorion over the zone. Microscopically, the placenta is labyrinthine and endotheliochorial with a rudimentary marginal hematoma. Both macroscopically and microscopically it resembles the placentas of thecarnivores, particularly the racoon, the cat, and the dog.

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