Light and electron microscopic studies on the gastrointestinal tract of the suckling echidna (Tachyglossus aculeatus).
D000367:Age Factors; D000818:Animals; D001485:Basement Membrane / Q000166:cytology; D004847:Epithelial Cells; D005753:Gastric Mucosa / Q000166:cytology*; D007413:Intestinal Mucosa / Q000166:cytology*; D008322:Mammals / Q000033:anatomy & histology*; D008722:Methods; D008854:Microscopy, Electron; D008928:Mitochondria