part of part of in taxon capable of part of capable of part of composed primarily of calcium carbonate detection of gravity Vertebrata <vertebrates> acellular anatomical structure otolith http://upload.wikimedia.org/wikipedia/commons/c/cb/Bigotolith.jpg statoconium NCIT:C33230 otoconial relationship loss: develops_from immature otolith (TAO:0000139)[TAO] SCTID:368951003 ANISEED:874485 otoconial crystal otoconium otolithic otoconia Wikipedia:Otolith UMLS:C0029894 immature otoliths FMA:77826 Mammals have many tiny otoconia and fish have three large otoliths[ZFIN:df] TAO:0001621 EMAPA:37924 statoconia Portion of organism substance composed of calcium carbonate located in the otolith organ.[TAO] ANISEED:777311 statolith Acellular structure composed of calcium carbonate located in the otolith organ. ZFA:0001617 immature otolith UBERON:0002280 otoliths Currently represented as part of the otolith membrane, but they may also be considered to be embedded in this membrane otolithic part of statoconial membrane