SYN: idiopathic. [G. a- priv. + gnosis, knowledge, + genesis, origin]
* * *
ag·no·gen·ic .ag-nō-'jen-ik adj of unknown cause <\agnogenic metaplasia>
* * *
ag·no·gen·ic (ag″no-jenґik) [Gr. agnōs unknown, obscure + -genesis] idiopathic.Medical dictionary. 2011.