Early embryonic development in the horse.
D000482:Allantois; D000818:Animals; D001755:Blastocyst; D002823:Chorion; D004707:Endoderm; D005260:Female; D006736:Horses / Q000196:embryology*; D008648:Mesoderm; D011247:Pregnancy; D013997:Time Factors; D014817:Vitelline Membrane