出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2012/04/18 21:02:22」(JST)
Bone: False ribs | |
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Anterior surface of sternum and costa cartilages. (False ribs are last five ribs.) | |
Latin | costae spuriae |
Gray's | subject #28 123 |
The false ribs, are the five sets of ribs below the top seven true ribs. A rib is considered to be "false" if it has no direct attachment to the sternum, also known as the breast bone. Of these:
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The frontal part of the ninth rib is at the same level as the first lumbar vertebra. This level is called planum transpyloricum, since the pylorus is also at this level.[3]
The tenth rib attaches directly to the body of vertebra T10 instead of between vertebrae like the second through ninth ribs. Due to this direct attachment, vertebra T10 has a complete costal facet on its body. In several ethnic groups, most significantly the Japanese, the tenth rib is sometimes a floating rib, as it lacks a cartilaginous connection to the seventh rib.[2]
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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リンク元 | 「仮肋」 |
関連記事 | 「false」「rib」「False」 |
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