| sacro- | <anatomy, prefix> A combining form denoting connection with, or relation to, the sacrum, as in sacro-coccyageal, sacro-iliac, sacrosciatic. (29 Oct 1998) |
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| sacroanterior position | A breech presentation of the foetus with the sacrum pointing to the right (right sacroanterior, RSA) or to the left (left sacroanterior, LSA) acetabulum of the mother. (05 Mar 2000) |
| sacrococcygeal | Relating to both sacrum and coccyx. (05 Mar 2000) |
| sacrococcygeal disc | A thin plate of fibrocartilage interposed between the sacrum and coccyx. (05 Mar 2000) |
| sacrococcygeal joint | The cartilaginous articulation of the coccyx with the sacrum. Synonym: articulatio sacrococcygea, coccygeal joint, junctura sacrococcygea, sacrococcygeal junction, symphysis sacrococcygea. (05 Mar 2000) |
| sacrococcygeal junction | The cartilaginous articulation of the coccyx with the sacrum. Synonym: articulatio sacrococcygea, coccygeal joint, junctura sacrococcygea, sacrococcygeal junction, symphysis sacrococcygea. (05 Mar 2000) |
| sacrococcygeal teratoma | <tumour> Found in the region of the primitive pit and node. Most common tumour in the newborn period. Triphyllomatous teratoma, a teratoma composed of tissues derived from all three germ layers. Synonym: tridermoma. (05 Mar 2000) |
| sacrococcygeus | See: muscle. (05 Mar 2000) |
| sacrodural ligament | <anatomy> A longitudinal bundle of fibrous filaments running from the midline of the inferior part of the dural sac to the posterior longitudinal ligament of the sacrum. Synonym: ligamentum sacrodurale. (05 Mar 2000) |
| sacrodynia | Synonym: sacralgia. Origin: sacro-+ G. Odyne, pain (05 Mar 2000) |
| sacrogenital folds | Peritoneal fold's that extend backward from the sides of the bladder of the male or uterus of the female on either side of the rectum to the sacrum, forming the lateral boundaries of the rectovesical pouch. See: sacrouterine fold, sacrovesical fold. (05 Mar 2000) |
| sacroiliac | Relating to the sacrum and the ilium. (05 Mar 2000) |
| sacroiliac articulation | The joint between the sacrum and ilium and associated ligaments. (12 Dec 1998) |
| sacroiliac joint | The joint between the sacrum and ilium and associated ligaments. (12 Dec 1998) |
| sacroiliitis | <radiology> Bilateral and symmetrical, ankylosing spondylitis, Reiter syndrome, enteropathic, bilateral and assymetrical, psoriatic arthritis, rheumatoid arthritis, juvenile rheumatoid arthritis, unilateral, gout, infection, osteoarthritis (12 Dec 1998) |