surrounded by anatomical structure anatomical space space HAO:0000005 AEO:0000005 NCIT:C94478 lumen space ZFA:0001643 TAO:0001668 TGMA:0001825 lumen XAO:0003190 VHOG:0001728 anatomical spaces FMA:5897 Non-material anatomical entity of three dimensions, that is generated by morphogenetic or other physiologic processes; is surrounded by one or more anatomical structures; contains one or more organism substances or anatomical structures. CARO:0000005 BILA:0000005 EHDAA2:0003005 AAO:0010110 immaterial anatomical entity