MUSCULUS SUBCOSTALIS Meaning and
Definition
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The term "musculus subcostalis" refers to a specific muscle located in the human body. Derived from Latin, "musculus" translates to "muscle," while "subcostalis" means "below the ribs." This muscle is found in the lower region of the rib cage, underneath the ribs. It is categorized as an intercostal muscle, which means it lies between the ribs and contributes to the movement of the ribcage during respiration.
The musculus subcostalis is a thin, flat muscle that spans the area between adjacent ribs in the lower portion of the chest. It is present on both the right and left sides of the body. Its fibers run obliquely in a direction that slopes downward and laterally, positioning the muscle diagonally.
The main function of the musculus subcostalis is to assist in the breathing process. During inhalation, when the chest cavity expands and the diaphragm contracts, the subcostalis muscle aids in elevating the lower ribcage, thereby contributing to the increase in lung capacity. Conversely, during exhalation, when the diaphragm relaxes and the chest cavity decreases in volume, the subcostalis muscle relaxes, allowing the ribcage to descend.
While the action and significance of the musculus subcostalis in respiration are well-established, its involvement in other movements or functions of the body may be limited. Further research may provide additional insights into any secondary or ancillary roles of this muscle.
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M. infracostalis; one of a number of inconstant muscles having the same direction as the intercostales interni, but usually passing over one or more ribs.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MUSCULUS SUBCOSTALIS
- nusculus subcostalis
- kusculus subcostalis
- jusculus subcostalis
- mysculus subcostalis
- mhsculus subcostalis
- mjsculus subcostalis
- misculus subcostalis
- m8sculus subcostalis
- m7sculus subcostalis
- muaculus subcostalis
- muzculus subcostalis
- muxculus subcostalis
- mudculus subcostalis
- mueculus subcostalis
- muwculus subcostalis
- musxulus subcostalis
- musvulus subcostalis
- musfulus subcostalis
- musdulus subcostalis
- muscylus subcostalis
Etymology of MUSCULUS SUBCOSTALIS
The word musculus subcostalis originates from Latin. Here is the breakdown of its etymology:
1. Musculus: In Latin, musculus translates to small mouse, which is a diminutive form of mus meaning mouse. This term was used metaphorically to describe small, moving body parts that resembled the movement of a mouse.
2. Sub-: This Latin prefix means below or under.
3. Costalis: This term is derived from costa, which means rib in Latin. It refers to the ribs or the side of the body.
Combining these elements, musculus subcostalis translates to the small muscle situated beneath the ribs.
