hog:0000155
hog:0000146 aortic arch 4hog:0000968 4th pharyngeal groovehog:0000971 pharyngeal pouch 4hog:0001052 4th pharyngeal arch mesenchymehog:0001092 4th pharyngeal arch endodermhog:0001095 4th pharyngeal arch ectodermBFO:0000050 part of
hog:0001214
tao:0001599