title: Electron microscopic observations on the renal caliceal wall in the rat.
mesh_terms: D000818:Animals; D001369:Axons / Q000166:cytology; D003094:Collagen; D003593:Cytoplasm; D004847:Epithelial Cells; D006652:Histological Techniques; D007682:Kidney Pelvis / Q000166:cytology*; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000166:cytology / Q000294:innervation; D051381:Rats; D012583:Schwann Cells
chemical_list: D003094:Collagen