What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Diaphragm vs Peritoneum - What's the difference?

diaphragm | peritoneum |

In anatomy|lang=en terms the difference between diaphragm and peritoneum

is that diaphragm is (anatomy) any of various membranes or sheets of muscle or ligament which separate one cavity from another while peritoneum is (anatomy) in mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.

As nouns the difference between diaphragm and peritoneum

is that diaphragm is (anatomy) in mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm while peritoneum is (anatomy) in mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.

As a verb diaphragm

is (optics|photography) to reduce lens aperture using an optical diaphragm.

diaphragm

English

Noun

(en noun)
  • (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm.
  • (anatomy) Any of various membranes or sheets of muscle or ligament which separate one cavity from another.
  • A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
  • (mechanics) A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.
  • (acoustics) In a speaker, the thin, semi-rigid membrane which vibrates to produce sound.
  • (optics, photography) A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device.
  • (chemistry) A permeable or semipermeable membrane
  • * {{quote-book, 1921, Wilder Dwight Bancroft, Applied Colloid Chemistry: General Theory citation
    • , passage=The mass of liquid transported through a porous diaphragm in a given time is directly proportional to the current. }}
  • (construction) A floor slab, metal wall panel, roof panel or the like, havig a sufficiently large in-plane shear stiffness and sufficient strength to transmit horizontal forces to resisting systems.
    • Image:Diaphragm.jpg, The thoracic diaphragm . Image:Contraception diaphragme.jpg, A contraceptive diaphragm . Image:Seal (diaphragm).png, A mechanical diaphragm . Image:X5 Paper Pulp Cone.jpg, An acoustic diaphragm .

    Derived terms

    (Derived terms) * diaphragmal * diaphragmic * diaphragmatic * diaphragmatically * interdiaphragm * diaphragm arch * diaphragm pump * diaphragm seal * diaphragm shutter * diaphragm valve * iris diaphragm

    Verb

    (en verb)
  • (optics, photography) To reduce lens aperture using an optical diaphragm.
  • * {{quote-book, 1870, D. Appleton & Co., Appletons' Annual Cyclopædia and Register of Important Events of the Year 1869 citation
    • , passage=He employs an equatorial with an object-glass having a focal length of five metres, and which was diaphragmed down to eight centimetres.}}
  • To act as a diaphragm, for example by vibrating.
  • * {{quote-book, 1996, Tom Drozda et al., Tool and Manufacturing Engineers Handbook, vol. VIII: Plastic Part Manufacturing citation
    • , passage=The holes and burning are caused by the part diaphragming at 20000-40000 cycles/second.}}

    peritoneum

    English

    Alternative forms

    * peritonaeum

    Noun

    (en-noun)
  • (anatomy) In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
  • (zoology) In animals, the membrane lining the coelom cavity.

    • Derived terms

    * peritoneal * peritoneally * peritonitis