The authors remark that such an endotheliochorial placenta is fundamentally different from that of any known viviparous reptile.
2.
Polyploidization in the trophoblast and uterine glandular epithelium of the endotheliochorial placenta of silver fox ( Vulpes fulvus Desm . ), as revealed by the DNA content.
3.
Most reptiles exhibit strict epitheliochorial placentation ( e . g . " Pseudemoia entrecasteauxii ) " however at least two examples of endotheliochorial placentation have been identified ( " Mabuya " " sp . " and " Trachylepis ivensi " ).
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