title: On different types of nerve endings in the frog median eminence after fixation with permanganate and glutaraldehyde-osmium.
mesh_terms: D000818:Animals; D001001:Anura; D001485:Basement Membrane / Q000166:cytology; D002552:Cerebral Ventricles / Q000166:cytology*; D003594:Cytoplasmic Granules; D005260:Female; D006652:Histological Techniques; D008297:Male; D008526:Medulla Oblongata / Q000166:cytology; D008854:Microscopy, Electron; D009411:Nerve Endings / Q000098:blood supply / Q000166:cytology*; D009992:Osmium; D011149:Pons / Q000166:cytology; D013194:Staining and Labeling
chemical_list: D009992:Osmium