title: Urea in the seminiferous tubule: evidence for active transport.
mesh_terms: D000818:Animals; D001693:Biological Transport, Active / Q000187:drug effects; D001814:Blood-Testis Barrier; D004822:Epididymis / Q000502:physiology*; D008297:Male; D010042:Ouabain / Q000494:pharmacology; D051381:Rats; D012671:Seminiferous Tubules / Q000378:metabolism*; D013737:Testis / Q000378:metabolism*; D014508:Urea / Q000378:metabolism*
chemical_list: D010042:Ouabain; D014508:Urea