Diaphragm

Anatomy

• Thoracic diaphragm
  Thoracic diaphragm
  
  In the anatomy of mammals, the thoracic diaphragm is a sheet of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity from the abdominal cavity and performs an important function in Respiration ....
  , a tissue of muscle separating the thorax
  Thorax
  
  The thorax is a division of an animal's body that lies between the head and the abdomen.In mammals, the thorax is the region of the body formed by the sternum, the thoracic vertebrae and the ribs....
   and abdomen
  Abdomen
  
  In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity....
   of mammals
• Urogenital diaphragm
  Urogenital diaphragm
  
  Older texts have asserted the existence of an "urogenital diaphragm", which was described as a layer of the pelvis that separates the deep perineal sac from the upper pelvis, lying between the inferior fascia of the urogenital diaphragm and superior fascia of the 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
  Iris (anatomy)
  
  The iris is a membrane in the eye, responsible for controlling the amount of light reaching the retina. The iris consists of pigmented fibrovascular tissue known as a stroma of iris....
   and the eardrum
  Eardrum
  
  The tympanic membrane , is a thin biological membrane that separates the external ear from the middle ear. Its function is to transmit sound from the air to the ossicles inside the middle ear....
  
• Any dividing structure; for example, in gasteromycetes and bryozoans, with a sense similar to that of septum is part of your stomach

Optics and photography

• Diaphragm (optics)
  Diaphragm (optics)
  
  In optics, a diaphragm is a thin opaque structure with an opening at its centre. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture....
  , 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

Acoustics

• Diaphragm (acoustics)
  Diaphragm (acoustics)
  
  In a loudspeaker, a diaphragm is the thin, semi-rigid artificial membrane attached to the voice coil, which moves in a magnetic gap, vibrating the diaphragm, and producing sound....
  , a thin, semi-rigid membrane that vibrates to produce or transmit sound waves

Other

• Diaphragm (contraceptive)
  Diaphragm (contraceptive)
  
  The diaphragm is a cervix barrier contraception type of birth control. It is a soft latex or silicone dome with a spring molded into the rim. The spring creates a seal against the walls of the vagina....
  , 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
  Diaphragm seal
  
  A diaphragm seal is a flexible membrane that seals and isolates an enclosure. The flexible nature of this Seal allows pressure effects to cross the barrier but not the material being contained....
  , a membrane that seals an enclosure
• Diaphragm pump
  Diaphragm pump
  
  A diaphragm pump is a pump#Positive displacement pump that uses a combination of the reciprocating action of a rubber,thermoplastic or Polytetrafluoroethylene diaphragm and suitable non-return check valves to pump a fluid....
  , a type of pump
• Diaphragm arch
  Diaphragm arch
  
  A diaphragm arch is a transverse, wall-bearing arch that divides a Vault or a ceiling into compartments, providing a kind of firebreak....
  , a type of arch
• Diaphragm wall, a type of wall
  Wall
  
  A wall is a usually solid structure that defines and sometimes protects an area. Most commonly, a wall delineates a building and supports its superstructure, separates space in buildings into Room s, or protects or delineates a space in the open air....
  
• Diaphragm valve
  Diaphragm valve
  
  Diaphragm valves consists of a valve body with two or more ports, a diaphragm, and a "saddle" or seat upon which the diaphragm closes the valve....
  , a type of valve
• Diaphragm (structural system)
  Diaphragm (structural system)
  
  In structural engineering, a diaphragm is a structural system used to transfer lateral loads to shear walls or frames primarily through in-Plane shear stress....
  , a structural engineering system used to resist lateral loads

See also

• Lamina
• Membrane
  Membrane
  
  A membrane is a layer of material which serves as a selective barrier between two Phase and remains permeation to specific particles or group of particles or substances when exposed to the action of a Membrane potential....