| 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) |
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| 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) |
| spondylolisthetic 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) |
| Nagele's pelvis | An obliquely contracted or unilateral synostotic pelvis, marked by arrest of development of one lateral half of the sacrum, usually ankylosis of the sacroiliac joint on that side, rotation of the sacrum toward the same side, and deviation of the symphysis pubis to the opposite side. (05 Mar 2000) |
| Deventer's pelvis | A pelvis with shortened anteroposterior diameter. (05 Mar 2000) |
| diaphragma pelvis | Diaphragm of pelvis, the paired levator ani and coccygeus muscles together with the fascia above and below them. Synonym: diaphragma pelvis. (05 Mar 2000) |
| dolichopellic pelvis | A pelvis in which the anteroposterior diameter is longer than the transverse. Synonym: longitudinal oval pelvis. (05 Mar 2000) |
| dwarf pelvis | A very small pelvis, in which the several bones are united by cartilage as in the infant. Synonym: pelvis nana. (05 Mar 2000) |
| inclination of pelvis | The angle which the plane of the superior pelvic aperture makes with the horizontal plane. Synonym: inclinatio pelvis. (05 Mar 2000) |
| inclinatio pelvis | The angle which the plane of the superior pelvic aperture makes with the horizontal plane. Synonym: inclinatio pelvis. (05 Mar 2000) |
| inverted pelvis | Split pelvis with separation at pubis. (05 Mar 2000) |
| osteomalacic 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) |
| Otto pelvis | A disease characterised by an inward bulging of the acetabulum into the pelvic cavity, resulting from arthritis of the hip joints, usually due to rheumatoid arthritis. Synonym: arthrokatadysis, Otto pelvis, protrusio acetabuli. (05 Mar 2000) |