| PDL | pancreatic duct ligation; periodontal ligament; poorly differentiated lymphocyte; population doublin... |
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| PLL | peripheral light loss; phase-locked loop; poly-L-lysine; pressure length loop; posterior longitudina... |
| PTF | patient treatment file; plasma thromboplastin factor; posterior talofibular [ligament]; proximal tub... |
| TCL | T-cell leukemia; thermochemiluminescence; total capacity of the lung; transverse carpal ligament |
| PCOS | Poly-Cystic Ovary(Ovarian) Syndrome |
| ovarian follicle | <biology, gynaecology> In mammals the group of cells around the primary oocyte proliferate and form a surrounding noncellular layer. A space opens up in the follicle cells and the whole structure is then the ovarian Graafian) follicle. (05 Jan 1998) |
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| ovarian fossa | A depression in the parietal peritoneum of the pelvis; it is bounded in front by the obliterated umbilical artery, and behind by the ureter and the uterine vessels; it lodges the ovary. Synonym: fossa ovarica, Claudius' fossa. (05 Mar 2000) |
| ovarian function tests | Methods used for assessment of ovarian function. (12 Dec 1998) |
| ovarian granulosa cell | <biology, gynaecology> During oogenesis in mammals the ovarian (Graafian) follicle, in which the developing ovum lies, is lined with follicle cells, the peripheral follicle cells form the stratum granulosum or ovarian granulosa. (05 Jan 1998) |
| ovarian granulosa-theca cell tumour | <radiology> Any age, most benign, oestrogens may lead to isosexual precocious puberty (pathognomonic), large tumour with areas of cystic degeneration (12 Dec 1998) |
| ovarian hormone | <protein> Polypeptide hormone produced by corpus luteum and found in the blood of pregnant animals. Acts, as its name suggests, to cause muscle relaxation during parturition. Human relaxin has an A chain of 24 amino acids and a B chain of 29. Has structural similarity to insulin. (18 Nov 1997) |
| ovarian hyperstimulation syndrome | <syndrome> Syndrome composed of a combination of ovarian enlargement and an acute fluid shift out of the intravascular space. The enlargement is caused by ovarian cyst formation and the fluid shift may result in ascites, hydrothorax, or generalised oedema. The syndrome is most usually seen as a complication of ovulation induction, a treatment for infertility. (12 Dec 1998) |
| 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) |
| 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 teratoma | See: Ovary, dermoid cyst of the. (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) |