| round pelvis | An obsolete term for one in which the anteroposterior and transverse diameters are equal or the transverse diameter is not more than 1 cm longer than the anteroposterior diameter. Synonym: round pelvis. (05 Mar 2000) |
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| rubber pelvis | In osteomalacia, a pelvis in which the bones are still soft. Synonym: rubber pelvis. (05 Mar 2000) |
| platypellic pelvis | Flat oval pelvis, in which the transverse diameter is more than 3 cm longer than the anteroposterior diameter. (05 Mar 2000) |
| platypelloid pelvis | Simple flat pelvis. (05 Mar 2000) |
| contracted pelvis | A pelvis with less than normal measurements in any diameter. (05 Mar 2000) |
| cordate pelvis | Cordiform pelvis, a pelvis with sacrum projecting forward between the ilia, giving to the brim a heart shape. Synonym: heart-shaped pelvis. (05 Mar 2000) |
| crossed reflex of pelvis | Contraction of the contralateral adductors of the thigh upon tapping the anterior superior iliac spine. Synonym: crossed spino-adductor reflex. (05 Mar 2000) |
| Prague pelvis | A pelvis whose brim is more or less occluded by a forward dislocation of the body of the lower lumbar vertebra. Synonym: Prague pelvis, Rokitansky's pelvis. (05 Mar 2000) |
| hardened pelvis | A condition in which the true pelvis is indurated throughout, especially by carcinoma. Synonym: hardened pelvis. (05 Mar 2000) |
| heart-shaped pelvis | Cordiform pelvis, a pelvis with sacrum projecting forward between the ilia, giving to the brim a heart shape. Synonym: heart-shaped pelvis. (05 Mar 2000) |
| scoliotic pelvis | A deformed pelvis associated with lateral curvature of the spine. (05 Mar 2000) |
| pseudo-osteomalacic pelvis | An extreme degree of rachitic pelvis, resembling the puerperal osteomalacic pelvis, in which the pelvic canal is obstructed by a forward projection of the sacrum, and an approximation of the acetabula. (05 Mar 2000) |
| small pelvis | The cavity of the pelvis below the brim or superior aperture. Synonym: pelvis minor, pelvis vera, small pelvis, true pelvis. (05 Mar 2000) |
| spider pelvis | Narrow calices of renal pelvis. (05 Mar 2000) |
| split pelvis | A pelvis in which the symphysis pubis is absent, the pelvic bones being separated by quite an interval; usually associated with exstrophy of the bladder. (05 Mar 2000) |