aliment/o-
food; nourishment
digest/o-
break down food; digest
gastr/o-
stomach
intestin/o-
intestine
degluti/o-
swallowing
gustat/o-
the sense of taste
mastic/o-
chewing
or/o-
mouth
stomat/o-
mouth
pharyng/o-
pharynx
saliv/o-
saliva
sial/o-
saliva
ot/o-
ear
mandibul/o-
mandible (lower jaw)
lingu/o-
tongue
gloss/o-
tongue
esophag/o
esophagus
stal/o-
contraction
pylor/o-
pulorus
an/o-
anus
appendic/o-
appendix
append/o
small structure hanging from a larger structure
col/o-
colon
sigmoid/o-
sigmoid colon