convexities: n. 凸?fàn)? 凸面( convexity的名詞復(fù)數(shù) ) convexine: 三甲雙酮 convexity analysis: [數(shù)] 凸分析 convexina: 三甲雙酮 convexity at central section: [機] 中凸度 convexifying: [網(wǎng)絡(luò)] 凸起 convexity coefficient: 凸性系數(shù) convexify: [網(wǎng)絡(luò)] 凸起 convexity meningioma,cerebral: 《英文msh詞典》Convexity Meningioma,Cerebral ; [入口詞] Convexity Meningioma,Cerebral ; [主題詞] Meningioma ; [英文釋義] A relatively common neoplasm of the central nervous system that arises from arachnoidal cells. The majority are well differentiated vascular tumors which grow slowly and have a low potential to be invasive,although malignant subtypes occur. Meningiomas have a predilection to arise from the parasagittal region,cerebral convexity,sphenoidal ridge,olfactory groove,and spinal canal. They tend to present in the fourth to sixth decades of life with signs indicative of a slowly progressive mass lesion. Specific clinical manifestations depend on the location of the tumor,but may include INTRACRANIAL HYPERTENSION,cranial neuropathies,ataxia,and other focal neurologic signs. (From DeVita et al.,Cancer: Principles and Practice of Oncology,5th ed,pp2056-7) convexifies: [網(wǎng)絡(luò)] 凸起