| ophryon | (n) the craniometric point in the midline of the forehead immediately above the orbits |
| operon | (n) a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene |
| Ophryon | ‖n. [ NL., fr. Gr. &unr_;, &unr_;, the brow. ] (Anat.) The supraorbital point. [ 1913 Webster ] |
| オペロン | [operon] (n) operon [Add to Longdo] |
| オペロン説 | [オペロンせつ, operon setsu] (n) operon theory (Jacob & Monod, 1961) [Add to Longdo] |