Methylene Blue, methylthionine chloride or 3,7-bis(dimethylamino)phenothiazin-5-ium chloride is a chemical compound used as a dye and medication for Gram's stain, Wright stain[?], and the treatment of metoxyhemoglobinemia.
... anatomy, the urethra is a tube that connects the urinary bladder to the outside of the body. The urethra has an excretory function in both sexes, to pass ...