mass effect

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

(medicine) The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.

日本語の意味

（医学）腫瘤（腫瘍、血液塊、胸水など）が正常な組織を圧迫・変位させることにより、血管やリンパ管の閉塞、神経の圧迫、さらには胃腸の機能障害などを引き起こす生理学的・解剖学的効果

英語の意味

(medicine) The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.

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The brain MRI showed a large tumor producing a mass effect on surrounding structures, displacing the ventricles and obstructing venous drainage.

脳MRIでは、大きな腫瘍による圧迫が周囲の構造を変位させ、脳室を押し、静脈還流を阻害していることが示された。

詳細

意味（1）

(medicine) The anatomic and physiological effect that an ectopic mass (such as a tumor, hematoma, or pleural effusion) causes by displacing or pushing against eutopic structures. It may squeeze and thus occlude blood vessels or lymphatic vessels; pinch nerves; disrupt gastrointestinal volume and peristalsis; and so on.

mass effects （ plural ）