Portal de Periódicos da CAPES

Studies on the Functional Sphincter in the Cervix Uteri

1945; Wiley; Volume: 10; Issue: 3-4 Linguagem: Inglês

10.1111/j.1748-1716.1945.tb00319.x

1365-201X

HANS FUCHS, Axel Westman,

Pelvic floor disorders treatments

Summary. In 46 cases carbon dioxide was insufflated during laparotomy into the uterine cavity through a narrow cannula passed through the uterine wall with the point projecting into the cavity. The experiments confirmed the observation made earlier by WESTMAN of a functional sphincter in the uterine cervix. When the cervix is patent the insufflated gas passes freely out into the vagina. In most of the cases the sphincter was closed and the passage through the cervical canal was blocked. Under the given experimental conditions a characteristic rhythm will be observed in the muscles of the cervix. This rhythm does not change in any typical manner during the different phases of the menstrual cycle. The biologic significance of the cervical sphincter is discussed.