human_reference_atlas Homo sapiens rib rib 11 11 http://upload.wikimedia.org/wikipedia/commons/d/db/Gray127.png UBERON:0004610 eleventh rib NCIT:C52768 Wikipedia:Eleventh_rib The eleventh rib has a single articular facet on the head, which is of rather large size. It has no necks or tubercles, and is pointed at its anterior ends. The eleventh has a slight angle and a shallow costal groove. [WP,unvetted]. FMA:8499 elements are to be defined spatially/topologically rib 11 uberon AS costa XI MA:0001411 EMAPA:19539 rib 11 SCTID:244666004 UMLS:C1709947 costal region bone