- UMLS:C0035561 (ncithesaurus:Rib)
uberon_slim, efo_slim, pheno_slim, vertebrate_core
Endochondral bone that is intersegmental and rod-shaped, forming in the peritoneal membrane and attached to the vertebral parapophyses. Ribs protect and support internal organs.[TAO]
Endochondral, rodlike element that articulates with the transverse process and parapophysis (double-headed rib), or with the transverse process only (single-headed rib); it extends into the body wall and provides a site for muscle attachment.[AAO]
They protect and support internal organs and enable lungs to expand by expanding the chest.
In most vertebrates, ribs surround the chest. In some species, especially snakes, ribs may provide support and protection for the entire body