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xiphoid process n the smallest and lowest division of the human sternum that is cartilaginous early in life but becomes more or less ossified during adulthood called also ensiform cartilage, ensiform process
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(xiphoid cartilage)dimethylbenzene
the lowermost section of the breastbone (see sternum): a flat pointed cartilage that gradually ossifies until it is completely replaced by bone, a process not completed until after middle age. It does not articulate with any ribs. Also called: ensiform process or cartilage, xiphisternum.
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processus xiphoideus.Medical dictionary. 2011.