Floating ribs [XI-XII] - Costae fluctuantes [XI-XII]



Last two false ribs (11/12) that are free at their anterior extremities.

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

Anatomical hierarchy

General Anatomy > Bones; Skeletal system > Axial skeleton > Thoracic skeleton > Ribs [I-XII] > False ribs [VIII-XII] > Floating ribs [XI-XII]