title: Light- and electronmicroscopical observations on the saccus vasculosus of the rainbow trout.
mesh_terms: D000818:Animals; D002490:Central Nervous System / Q000166:cytology* / Q000502:physiology; D004847:Epithelial Cells; D005260:Female; D006652:Histological Techniques; D008297:Male; D008854:Microscopy, Electron; D009457:Neuroglia / Q000166:cytology; D012487:Salmonidae / Q000033:anatomy & histology* / Q000502:physiology