Medical Dictionary


noun di·a·phragm \ˈdī-ə-ˌfram\

Medical Definition of DIAPHRAGM

:  a body partition of muscle and connective tissue; specifically :  the partition separating the chest and abdominal cavities in mammals—see pelvic diaphragm, urogenital diaphragm
:  a device that limits the aperture of a lens or optical system
:  a molded cap usually of thin rubber fitted over the uterine cervix to act as a mechanical contraceptive barrier

Illustration of DIAPHRAGM

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