Noun digestive tube has 1 sense
  1. 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
     digestive system, gastrointestinal system, systema alimentarium, systema digestorium
    --1 has parts:
     stomach, tummy, tum, breadbasket; esophagus, oesophagus, gorge, gullet; small intestine; large intestine; throat, pharynx
    --1 has particulars: enteron
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