Midsternal line

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Midsternal Line

The Midsternal Line (pronunciation: mid-stur-nal line) is a vertical line running down the middle of the sternum, used as a reference point in physical examination and chest radiology.

Etymology

The term "Midsternal Line" is derived from the Latin words 'medius' meaning middle, and 'sternum' meaning chest.

Definition

The Midsternal Line is an imaginary vertical line drawn on the anterior chest wall. It is used as a reference point in the physical examination of the chest and abdomen, and in chest radiology. It is drawn from the sternal notch, down the middle of the sternum, to the xiphoid process.

Related Terms

  • Sternal Notch: The visible dip in between the neck and the collarbone. It is the topmost point from where the midsternal line is drawn.
  • Sternum: The breastbone, a long flat bone located in the center of the chest. The midsternal line runs down the middle of the sternum.
  • Xiphoid Process: The lowermost part of the sternum, a small cartilaginous process (extension). The midsternal line ends at the xiphoid process.
  • Anterior Chest Wall: The front part of the chest. The midsternal line is drawn on the anterior chest wall.
  • Chest Radiology: The field of radiology that deals with the imaging of the chest, including the heart and lungs. The midsternal line is used as a reference point in chest radiology.

External links

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