| Robert's pelvis | An obsolete term for a pelvis which is narrowed transversely in consequence of the almost entire absence of the alae of the sacrum. (05 Mar 2000) |
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| Rokitansky's 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) |
| gynecoid pelvis | The normal female pelvis. (05 Mar 2000) |
| rostrate pelvis | A pelvic deformity in osteomalacia; the pressure of the trunk on the sacrum and lateral pressure of the femoral heads produce a pelvic aperture that is three-cornered or has the shape of a heart or cloverleaf, while the pubic bone becomes beak-shaped. Synonym: beaked pelvis, rostrate pelvis. (05 Mar 2000) |
| 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) |
| 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) |