Early development of the bursa pharyngea.
D000818:Animals; D002162:Camelus / Q000196:embryology; D002685:Chiroptera / Q000196:embryology; D003670:Deer / Q000196:embryology; D006801:Humans; D008116:Lizards / Q000196:embryology; D009024:Morphogenesis; D009305:Nasopharynx / Q000196:embryology*; D012589:Sciuridae / Q000196:embryology