The digestive system
The digestive system
  • A: anus
  • AD: anterior diverticulum of midgut
  • DG: digestive gland
  • M: mouth
  • MG: midgut
  • Oes: oesophagus
  • PD: posterior diverticulum of midgut
  • Prov: proventriculus
  • R: rectum