This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Ovary is: \nSelect and explain. \nA. Is attached to the posterior layer of the broad ligament by mesovaritu-n, B. Has hilus cells in the cortex, C. Ovarian veins drain into inferior vena cava, D. Is connected to the uterus by infundibulopelvic ligament', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ovary measures about 3 cm in length, 2 cm in breadth and 1 cm in thickness. The ovaries are intraperitoneal structures. In nulliparae, the ovary lies in the ovarian fossa on the lateral pelvic wall. The ovary is attached to the posterior layer of the broad ligament by the mesovarium, to the lateral pelvic wall by infun-dibulopelvic ligament and to the uterus by the ovarian ligament.\n\nThe substance of the gland consists of an outer cortex and inner medulla.\n\nMedulla: \n\nIt consists of loose connective tissues. There are a small collection of cells called "hilus cells" which are homologous to the interstitial cells of the testes.\n\nArterial supply \n\nis from the ovarian artery.\n\nVenous drainage \n\n\u200b\u200bis through pampiniform plexus, to form the ovarian veins which drain into inferior vena cava on the right side and left renal vein on the left side.\nSympathetic supply comes down along the ovarian artery from T10 segment. Ovaries are sensitive to manual squeezing.', 'role': 'assistant'}]