anatomical space anatomical cavity http://purl.obolibrary.org/obo/UBERON_0002553 http://purl.org/sig/ont/fma/fma67552 https://www.wikidata.org/wiki/Q28654015 Anatomical space which contains portions of one or more body substances and is bounded by the internal surface of one maximally connected anatomical structure or two or more adjacent anatomical structures. anatomical cavities