intercostal muscleGo to external page http://purl.obolibrary.org/obo/UBERON_0001111
The respiratory muscles that arise from the lower border of one rib and insert into the upper border of the adjoining rib. [ http://www.informatics.jax.org/accession/csmith MESH:A02.633.567.900.500 MP:0002280 ]
- UMLS:C0021724 (ncithesaurus:Intercostal_Muscle)
uberon_slim, efo_slim, pheno_slim
The respiratory muscles that arise from the lower border of one rib and insert into the upper border of the adjoining rib.
Inspiration by active expansion of the thorax evolved later, in the ancestor of reptiles, birds, and mammals. This was powered originally by the intercostal muscles (as in lizards or crocodilians) and later (in mammals only) by a muscular diaphragm.[well established][VHOG]
- muscle organ and located in some intercostal space and has muscle origin some rib and has muscle insertion some rib