title: Fine structural study of gas secretion in the physoclistous swim bladder of Fundulus heteroclitus and Gadus callarias and in the euphysoclistous swim bladder of Opsanus tau.
mesh_terms: D000400:Air Sacs / Q000166:cytology* / Q000378:metabolism; D000447:Aldehydes; D000818:Animals; D003593:Cytoplasm; D004847:Epithelial Cells; D005399:Fishes / Q000033:anatomy & histology* / Q000502:physiology; D005740:Gases / Q000378:metabolism*; D006056:Golgi Apparatus; D006652:Histological Techniques; D008854:Microscopy, Electron; D009992:Osmium
chemical_list: D000447:Aldehydes; D005740:Gases; D009992:Osmium