Diaphragm
Look up diaphragm in Wiktionary, the free dictionary.
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Diaphragm may refer to any of the following:
- Thoracic diaphragm, a tissue of muscle separating the thorax and abdomen of mammals
- Urogenital diaphragm, a layer of the pelvis separating deep perineal sac from the upper pelvis
- Pelvic diaphragm, a pelvic muscle consisting of the Levator ani and the Coccygeus
- A number of structures that act as diaphragms, including the iris and the eardrum
- Any dividing structure; for example, in gasteromycetes and bryozoans, with a sense similar to that of septum
- Diaphragm (optics), a stop in the light path of a lens, having an aperture that regulates the amount of light that passes
- Diaphragm shutter, a type of optical shutter
- Diaphragm (acoustics), a thin, semi-rigid membrane that vibrates to produce or transmit sound waves
- Diaphragm (contraceptive), a small rubber dome placed in the vagina to wall off the cervix, thus preventing sperm from entering
- Diaphragm (mechanical device), a sheet of a semi-flexible material anchored at its periphery
- Diaphragm seal, a membrane that seals an enclosure
- Diaphragm pump, a type of pump
- Diaphragm arch, a type of arch
- Diaphragm wall, a type of wall
- Diaphragm valve, a type of valve
- Diaphragm (structural system), a structural engineering system used to resist lateral loads
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