The portion of the alimentary canal between the mouth and the oesophagus.
hog:0000253 thymushog:0000375 nasopharynxhog:0000418 thyroidhog:0000419 tonguehog:0000445 hypopharynxhog:0000457 oropharynxhog:0001203 pharyngeal pouchhog:0001325 hyoid boneBFO:0000050 part of
tao:0000056