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