Diaphragm (muscle)
: The diaphragm is the muscle that separates the chest (thoracic) cavity from the abdomen. Contraction of the diaphragm muscle helps to expand the lungs during inspiration when one is breathing air in.

Medical dictionary. 2011.

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  • Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… …   Medical dictionary

  • diaphragm — late 14c., from L.L. diaphragma, from Gk. diaphragma partition, barrier, muscle which divides the thorax from the abdomen, from diaphrassein to barricade, from dia across (see DIA (Cf. dia )) + phrassein to fence or hedge in. The native word is… …   Etymology dictionary

  • Muscle — For other uses of Muscle , see Muscle (disambiguation). A top down view of skeletal muscle Muscle (from Latin …   Wikipedia

  • diaphragm — 1. The musculomembranous partition between the abdominal and thoracic cavities. SYN: diaphragma (2) [TA], interseptum, midriff, phren (1). 2. A thin disk pierced with an opening, used in a microscope, camera, or other op …   Medical dictionary

  • diaphragm — /duy euh fram /, n. 1. Anat. a. a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity. b. the partition separating the thoracic cavity from the abdominal cavity in mammals. 2. Physical Chem. a. a porous plate… …   Universalium

  • Diaphragm — Contents 1 Optics and photography 2 Acoustics 3 Other 4 …   Wikipedia

  • diaphragm — 1. noun /ˈdaɪəˌfræm/ a) 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. b) Any of various membranes or… …   Wiktionary

  • muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

  • Diaphragm pacing — Contents 1 Introduction 2 Indications for Use 3 Surgery 4 Availability Introduction Diaphragm Pacing, also known as …   Wikipedia

  • diaphragm — n. 1) (in anatomy) a thin musculomembranous dome shaped muscle that separates the thoracic and abdominal cavities. The diaphragm is attached to the lower ribs at each side and to the breastbone and the backbone at the front and back. It bulges… …   The new mediacal dictionary

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