| locus control region | A regulatory region first identified in the human beta-globin locus but subsequently found in other loci. The region is believed to regulate transcription by opening and remodeling chromatin structure. It may also have enhancer activity. (12 Dec 1998) |
|---|---|
| lumbar region | The region of the back lateral to the vertebral region and between the rib cage and the pelvis. Synonym: regio lumbalis. (05 Mar 2000) |