"Membranen." . . "Foetussen." . . . . "Eihäute" . . . . . . . "Fetalmembran" . . . "Vertebrate fetal membranes comparative ontogeny and morphology, evolution, phylogenetic significance, basic functions, research opportunities"@en . . "Vertebrate fetal membranes : Comparative ontogeny and morphology, evolution, phylogenetic significance, basic functions, research opportunities" . "Vertebrate fetal membranes : comparative ontogeny and morphology, evolution, phylogenetic significance, basic functions, research opportunities" . . . . . . . . . "Vertebrate fetal membranes : comparative ontogeny and morphology, evolution, phylogenetic significance, basis functions, research opportunities" . . "Vertebrate fetal membranes : comparative ontogeny and morphology ; evolution ; phylogenetic significance ; basic functions ; research opportunities" . . . . . . . . "Evolutie." . . "Eihaut." . . "Embryologie Vertébrés." . . "Gewervelde dieren." . . "Wirbeltiere." . . . . "Membranes (embryologie)" . . "Fetus." . . "Extraembryonic Membranes." . . "Morfologie (biologie)" . .