THE MERCK VETERINARY MANUALmultimedia

Location(s)

  • Abortion in Horses
  • Twin fetal membranes, equine

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    Twin fetal membranes, equine

    A large, tan, avillous area is present between the larger chorioallantois on the left and the smaller chorioallantois on the right. Microvilli form only where the chorion is able to contact the endometrium, hence, the large avillous area between the adjacent twin chorions.

    Courtesy of Dr. Patricia Sertich.

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