abstract: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.
N-PLURAL
any of the lower five pairs of ribs in man, attached behind to the thoracic vertebrae but in front not attached directly to the breastbone 假肋; 弓肋
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floating rib