title: Filtration barriers in the coelomic sac of the crayfish, Procambarus clarkii.
mesh_terms: D000818:Animals; D003400:Astacoidea / Q000033:anatomy & histology* / Q000502:physiology; D001485:Basement Membrane / Q000648:ultrastructure; D004848:Epithelium / Q000648:ultrastructure; D005293:Ferritins / Q000378:metabolism; D006433:Hemocyanins / Q000378:metabolism; D014551:Urinary Tract / Q000648:ultrastructure*
chemical_list: D005293:Ferritins; D006433:Hemocyanins