speculum

(spek’u-lum), pl. spec’ula [L. “ mirror ”’]. An appliance for opening to view a pa age or cavity of the body. bath-s., a kind of vaginal dilator introduced during the bath and allowing the water to fill the vagina. It is used in connection with the sitz-bath. Bozeman’s 8., a - bivalve speculum the blades of which remain parallel when separated. Cusco’s 8., a form of vaginal speculum, the two blades of which are worked by a screw. duck-billed s., a form of two valved vaginal speculum. Fergu on’s 8., a cylindric speculum for the vagina made of silvered gla . Gruber’s 8., a form of ear speculum. Sims’ s., a form of duck-billed vaginal speculum. stop-8., an eye speculum with an appliance for controlling the degree to which its branches spread.