title: [The pseudo-multiplicity of epithelial and epitheliomorphic layers and the so-called "simplastic period" of embryonic rudiment differentiation].
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo; D004064:Digestive System / Q000196:embryology; D005314:Embryonic and Fetal Development; D004848:Epithelium / Q000196:embryology*; D009132:Muscles / Q000196:embryology; D009420:Nervous System / Q000196:embryology; D011817:Rabbits; D012867:Skin / Q000196:embryology
vernacular_title: O lozhnoĭ mnogoriadnosti épitelial'nykh i épiteliomorfnykh plastov i o tak nazyvaemom "simplasticheskom periode" ddifferentsirovki émbrional'nykh zachatkov.