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9 results
  • Macroscopic and microscopic aspects of collared peccary and white-lipped peccary placenta. [Journal Article]
    Placenta 2006 Feb-Mar; 27(2-3):244-57Santos TC, Dantzer V, … Miglino MA
  • This study examines middle and late gestational placentae from 13 Tayassu tajacu (collared peccary) and 3 Tayassu pecari (white-lipped peccary), which are Artiodactyla belonging to the Family Tayassuidae. The chorionic sac of Tayassu species is diffuse and chorioallantoic. These epitheliochorial placentae show no trophoblast invasion into the uterine epithelium and there is interdigitation betwee…
  • Intrauterine signaling and embryonic implantation. [Review]
    Biol Signals 1996 Mar-Apr; 5(2):111-21Barkai U, Kraicer PF
  • In mammals, the uterus is modified to be able to contain a pregnancy and nurture the developing embryo. In deciduate mammals, this is apparently due to formation of a special compartment, lined with decidual tissue, in which a semi-allogeneic (or even allogeneic, after embryo transplantation) pregnancy is accommodated. This review treats the mechanisms which have been evoked to explain the implan…
  • Ultrastructural observations on the placenta of the alpaca (Lama pacos). [Journal Article]
    Placenta 1980 Jan-Mar; 1(1):21-32Steven DH, Burton GJ, … Nathanielsz PW
  • The alpaca is one of the four South American species of the family Camelidae. Its placenta, like that of other camelids, is diffuse and epitheliochorial in type. The chorionic epithelium is thrown into unbranched villi or folds which are closely apposed to corresponding undulations of the uterine epithelium, and the fetal-maternal interface consists of an intricate interdigitation of fetal and ma…
  • [Evolution of the allantoid placenta in placental mammals]. [Journal Article]
    Arkh Anat Gistol Embriol 1979; 77(7):5-16Shmidt GA
  • The article surveys the literature concerning comparative morphology of allantoic placenta and presents some evolutionary-morphological conclusions. The initial form of allantoic placenta is non-deciduate that occurs in 7 orders of placental mammals. The non-deciduate placenta is especially characteristic for lower primates and Cetacea. The non-deciduate placenta in lower primates and the fact th…
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