出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/02/21 19:04:44」(JST)
| Sternal angle | |
|---|---|
| Lateral border of sternum. | |
| Anterior surface of sternum and costal cartilages. (Sternal angle not labeled, but visible at second costal cartilage.) | |
| Latin | angulus sterni, angulus sternalis |
| Gray's | subject #27 121 |
The sternal angle or 'angle of Louis', from the Latin angulus Ludovici is the anterior angle formed by the junction of the manubrium and the body of the sternum[1] (the manubriosternal junction) in the form of a secondary cartilaginous joint (symphysis). This is also called the manubriosternal joint or Angle of Louis. The sternal angle is a palpable clinical landmark.
It is named after Pierre Charles Alexandre Louis, a French physician of the 19th century, who was one of the first to bring mathematics to medicine, disproving bloodletting as a practice by showing statistically that it did not work.
The sternal angle, which varies around 162 degrees in males,[2] marks the approximate level of the 2nd pair of costal cartilages, which attach to the second ribs, and the level of the intervertebral disc between T4 and T5. The angle also marks a number of other features:
A use mnemonic for what passes through here is "RAT PLLANT"
A more detailed mnemonic is "PLOT of EARTH PLLANTS"
The vagus nerve turns back.
C6 is found there.
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| リンク元 | 「胸骨角」 |