The act or process of becoming visible. ... Origin: phanero-+ G. Osis, condition ... Fatty phanerosis, presumed unmasking of previously invisible fat in the cytoplasm of cells; marked fatty metamorphosis is associated with an absolute increase in the fat content of cells, so that the occurrence of phanerosis is doubted. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973