MUSCULUS DIAPHRAGMA Meaning and
Definition
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Musculus diaphragma, commonly known as the diaphragm, is a vital muscle located between the thoracic and abdominal cavities of mammals, including humans. It is a large, dome-shaped sheet of muscle and tendon that plays a crucial role in the process of respiration.
Functionally, the diaphragm is the primary muscle responsible for breathing. When an individual inhales, the diaphragm contracts and flattens, which expands the chest cavity and creates negative pressure. This negative pressure causes air to rush into the lungs, allowing for inhalation. Conversely, during exhalation, the diaphragm relaxes, moving upwards and allowing air to be expelled from the lungs.
Anatomically, the diaphragm is attached to the lower rib cage, the sternum, and the spine. It is composed of a central, thicker muscular portion called the diaphragmatic dome, as well as several peripheral tendons. The central portion contains different groups of muscle fibers that coordinate contraction and relaxation during breathing.
In addition to its crucial role in respiration, the diaphragm also plays a significant role in other bodily functions. It helps maintain proper pressure within the abdominal cavity, aiding in digestion and elimination. It also contributes to posture and stability, supporting the spine and surrounding organs.
In summary, the diaphragm is a vital muscle that separates the chest and abdominal cavities, enabling and regulating the process of respiration.
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Origin, ensiform cartilage, 7th to 12th ribs, external and internal arcuate ligaments, and lumbar vertebrae; insertion, central tendon; action, increases capacity of cheat; nerve supply, phrenic.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MUSCULUS DIAPHRAGMA
- nusculus diaphragma
- kusculus diaphragma
- jusculus diaphragma
- mysculus diaphragma
- mhsculus diaphragma
- mjsculus diaphragma
- misculus diaphragma
- m8sculus diaphragma
- m7sculus diaphragma
- muaculus diaphragma
- muzculus diaphragma
- muxculus diaphragma
- mudculus diaphragma
- mueculus diaphragma
- muwculus diaphragma
- musxulus diaphragma
- musvulus diaphragma
- musfulus diaphragma
- musdulus diaphragma
- muscylus diaphragma
Etymology of MUSCULUS DIAPHRAGMA
The word "musculus diaphragma" is derived from Latin.
- "Musculus" is the Latin word for "muscle", and it refers to a band of fibrous tissue that contracts to produce movement in the body.
- "Diaphragma" is derived from the Greek word "diaphragma", which means "partition" or "barrier". In Latin, it refers to the muscular partition that separates the thoracic and abdominal cavities, known as the diaphragm.
Therefore, "musculus diaphragma" can be translated as "diaphragm muscle" in English.
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