title: Fine structure of the excretory system of Amphioxus (Branchiostoma floridae) and its response to osmotic stress.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002816:Chordata, Nonvertebrate / Q000033:anatomy & histology*; D007668:Kidney / Q000166:cytology* / Q000502:physiology; D007678:Kidney Glomerulus / Q000166:cytology; D007684:Kidney Tubules / Q000166:cytology; D008854:Microscopy, Electron; D008961:Models, Structural; D009940:Organoids; D012623:Seawater; D014882:Water-Electrolyte Balance