| operator region | <genetics> DNA sequences which signal the initiation of transcription when derepressed. (12 Dec 1998) |
|---|---|
| oral region | The region of the face including the lips and mouth. Synonym: regio oralis. (05 Mar 2000) |
| orbital region | The region about the orbit. Synonym: regio orbitalis. (05 Mar 2000) |
| temporal region of head | The surface region of the head corresponding approximately to the outlines of the temporal bone. Synonym: regio temporalis capitis. (05 Mar 2000) |
| termination region | <molecular biology> A DNA sequence that signals the end of transcription. (13 Jan 1998) |
| early region | <molecular biology> Part of a viral genome in which early genes genes that are transcribed and expressed early during infection of a cell are clustered. (18 Nov 1997) |
| epigastric region | The region of the abdomen located between the costal margins and the subcostal plane. Synonym: epigastrium, regio epigastrica. (05 Mar 2000) |
| J region | <molecular biology> The polypeptide chains coded for by J genes. (18 Nov 1997) |
| umbilical region | The central region of the abdomen about the umbilicus. Synonym: regio umbilicalis. (05 Mar 2000) |
| untranslated region | <molecular biology> The regions of a cDNA, typically that 5' to the initiation (ATG) site and that 3' to the stop site, which are not translated to make a peptide. Their functions are not well understood. (18 Nov 1997) |
| femoral region | The region of the thigh between hip and knee. Synonym: regio femoralis. (05 Mar 2000) |
| zygomatic region | The region of the face outlined by the zygomatic bone; the prominence above the cheek. Synonym: regio zygomatica. (05 Mar 2000) |
| K region | Carbons 9 and 10 of the phenanthrene ring system; thought by some to be the reactive spot in the various hydrocarbon carcinogens. (05 Mar 2000) |
| fibrillar region | <cell biology> Dense staining region of the nucleolus composed of 5nm fibres, RNA transcripts. (12 Nov 1997) |
| urogenital region | The anterior portion of the perineal region containing the openings of the urethra and vagina in the female and the urethra and root structures of the penis in the male. Synonym: regio urogenitalis, urogenital region. (05 Mar 2000) |