Contributions to our knowledge of the structure of the placenta of mustelidae, ursidse, and sciuridae

Subba Rau, A. (1925) Contributions to our knowledge of the structure of the placenta of mustelidae, ursidse, and sciuridae Proceedings of the Zoological Society of London, 95 (3). pp. 1027-1069. ISSN 0370-2774

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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1469-...

Related URL: http://dx.doi.org/10.1111/j.1469-7998.1925.tb07116.x

Abstract

The chief features of the placenta of Xerus capensis are:- 1 It is discoidal and mesometrially situated. 2 It is hæmochorial in type. 3 The lamellae appear to form a simple anastomosing network and the lacunae are wide. The "lobed" arrangement characteristic of the Rabbit placenta is absent. There is no interplacental cavity. The extraplacental wall of the uterus is very thick. Giant cells form a characteristic feature of the placenta. 4 The yolk-sac splanchnopleure is simple, being devoid of folds and villi. The trilaminar omphalopleure persists and forms the foetal constituent of the yolk-sac placenta.

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