The ovary is an organ.
DQ4 could refer to  :. Dragon Quest IV  : Chapters of the Chosen , a video game published by Enix -LRB- now Square Enix -RRB-. HLA-DQ4 , a Human leukocyte antigen HLA-DQ serotype that recognizes the DQB1 * 04 gene products. HLA-DQ4. HLA-DQ4