- alimentary canal, alimentary tract, digestive tube, digestive tract, gastrointestinal tract, GI tract - tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination
--1 is a kind of duct, epithelial duct, canal, channel
--1 is a part of
--1 has parts:digestive system, gastrointestinal system, systema alimentarium, systema digestorium
--1 has particulars: enteronstomach, tummy, tum, breadbasket; esophagus, oesophagus, gorge, gullet; small intestine; large intestine; throat, pharynx