floating rib


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floating rib

n.
A false rib whose anterior end is unattached. The lowest two pairs of human ribs are floating ribs.

floating rib

n
(Anatomy) any rib of the lower two pairs of ribs in man, which are not attached to the breastbone

float′ing rib′



n.
any member of the two lowest pairs of ribs, not attached to the sternum or the cartilages of other ribs.
References in classic literature ?
There are twelve ribs, you know, and the two lower ones are called floating ribs, because they are not fastened to the breastbone.
The 9th rib is the first "floating rib" and thus a simple retrograde supraperichondrial dissection is possible.
When Nina ran into the Drew at the Floating Rib she believed it was fate and that Peter may actually be telling the truth.