has part has part characteristic of inheres in has modifier Cochlear malformation Incomplete partition of the cochlea 2012-03-07T08:24:55Z UMLS:C4023392 HP:0011373 Incomplete formation of the cochlear partition. The scala vestibuli and scala tympani separated by the cochlear partition, except in the apical turn where the two scalae are in continuity via the helicotrema. abnormal decreased coiling cochlea