DIAPHRAGM

'Diaphragm' may refer to:

Contents

Anatomy

Optics and photography

Acoustics

Other

See also

Anatomy

★ Thoracic diaphragm, a shelf of muscle extending between 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

Optics and photography

★ Diaphragm (optics), a stop in the light path of a lens, having an aperture that regulates the amount of light that passes

★ Iris diaphragm, a variable optical diaphragm

★ Diaphragm shutter, a type of optical shutter

Acoustics

★ Diaphragm (acoustics), a thin, semi-rigid membrane that vibrates to produce or transmit sound waves

Other

★ 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, typically the floor and/or roof in a structural system, used in Seismic retrofit projects as well as design for new construction.

See also

★ Lamina

★ Membrane