| zones of discontinuity | Concentric zone's of varying optical density in the lens of the eye, as seen in slitlamp biomicroscopy. (05 Mar 2000) |
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| abdominal zones | The topographical subdivisions of the abdomen; based on subdividing the abdomen by the transpyloric, interspinous and midclavicular planes; including the right and left hypochondriac, right and left lateral, right and left inguinal, and the unpaired epigastric, umbilical and pubic regions. Synonym: regiones abdominis, abdominal zones. (05 Mar 2000) |
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| Head's zones | Bands of cutaneous hyperesthesia associated with acute or chronic inflammation of the viscera. Synonym: Head's zones, tender lines, tender zones. (05 Mar 2000) |
| tender zones | Bands of cutaneous hyperesthesia associated with acute or chronic inflammation of the viscera. Synonym: Head's zones, tender lines, tender zones. (05 Mar 2000) |
| Looser's zones | Radiolucent bands in the cortex of a bone; usually indicates osteomalacia. Synonym: Looser's zones. (05 Mar 2000) |