| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
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| OCa | ovarian carcinoma |
| OCD | obsessive compulsive disorder; Office of Child Development; Office of Civil Defense; osteochondritis... |
| OGF | ovarian growth factor; oxygen gain factor |
| OHS | obesity hypoventilation syndrome; occipital Horn syndrome; occupational health service; ocular histo... |
| ovarian plexus | An autonomic plexus derived from the aortic plexus and accompanying the ovarian artery to the ovary, broad ligament, and uterine tube. Synonym: plexus ovaricus. (05 Mar 2000) |
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| ovarian pregnancy | Development of an impregnated ovum in an ovarian follicle. See: Spiegelberg's criteria. Synonym: oocyesis, ovariocyesis. (05 Mar 2000) |
| ovarian stromal tumours | <radiology> Age 20 - 50 yrs, 20% of all ovarian tumours, fibroma / fibrosarcoma, granulosa-theca cell tumour, with or without oestrogens most likely to be precocious puberty, endometrial hyperplasia/carcinoma, fibrocystic breast disease, Sertoli-Leydig cell tumour, aka: arrhenoblastoma, with or without androgens most likely to be masculinization, may be mixed type (12 Dec 1998) |
| ovarian tubular adenoma | <oncology, tumour> A type of ovarian tumour whose sells secrete a male sex hormone (testosterone) causing virilisation in women. (27 Sep 1997) |
| ovarian tumour | <gynaecology, oncology> A malignant tumour of the ovary is the leading cause of death from gynaecologic malignancies. Often diagnosed in later stages, symptoms include abdominal pain, increasing abdominal girth and abnormal uterine bleeding. Birth control pill use is thought to reduce the risk of ovarian cancer. (05 Jan 1998) |
| ovarian tumours | <radiology> Before age 45 most likely to be 98% benign, 2/3 of cancers in ages 40 - 65 yrs see also: ovarian stromal tumours (12 Dec 1998) |
| ovarian varicocele | A varicose condition of the pampiniform plexus in the broad ligament of the uterus. Synonym: tubo-ovarian varicocele, utero-ovarian varicocele. (05 Mar 2000) |
| ovarian veins | See: right ovarian vein, left ovarian vein. (05 Mar 2000) |
| ovarian vein syndrome | <syndrome> Ureteral obstruction due to compression by enlarged ovarian vein, usually right side and during pregnancy. (05 Mar 2000) |
| ovarian wedge resection | <gynaecology, procedure> The surgical removal of a portion of a polycystic ovary to induce ovulation. (05 Jan 1998) |
| tubo-ovarian | Relating to the uterine (fallopian) tube and the ovary. (05 Mar 2000) |
| tubo-ovarian abscess | A large abscess involving a uterine tube and an adherent ovary, resulting from extension of purulent inflammation of the tube. (05 Mar 2000) |
| tubo-ovarian pregnancy | Development of the ovum at the fimbriated extremity of the fallopian and involving the ovary. (05 Mar 2000) |
| tubo-ovarian varicocele | A varicose condition of the pampiniform plexus in the broad ligament of the uterus. Synonym: tubo-ovarian varicocele, utero-ovarian varicocele. (05 Mar 2000) |
| ureteric branches of the ovarian artery | <anatomy, artery> Branch of ovarian artery arising as it is crossed by the ureter in the female supplying mid portion of ureter. Synonym: rami ureterici arteriae ovaricae. (05 Mar 2000) |