The gastric mucosa of two monotremes: the duck-billed platypus and echidna.
D000818:Animals; D002467:Cell Nucleus; D003239:Connective Tissue Cells; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D004032:Diet; D004386:Duodenum / Q000166:cytology; D004847:Epithelial Cells; D005753:Gastric Mucosa / Q000166:cytology*; D007365:Intercellular Junctions; D008322:Mammals / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009007:Monotremata / Q000033:anatomy & histology; D009940:Organoids; D012270:Ribosomes