Source:http://linkedlifedata.com/resource/umls/id/C0927231
FMA: Cavitated organ in which its unshared parts surround two or more macroscopic anatomical spaces. Examples: heart, long bone, corpus spongiosum of penis, bulb of vestibule.,UWDA: Cavitated organ in which its unshared parts surround two or more macroscopic anatomical spaces. Examples: heart, long bone, corpus spongiosum of penis, bulb of vestibule.