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单词	adventitia
释义	adventitia /ˌadvɛnˈtɪʃə / noun [mass noun] The outermost layer of the wall of a blood vessel.The outer layer of veins comprises the tunica adventitia.... The arteries were most susceptible, with bruising of the intima and adventitia and separation of the media from the vessel walls. There is an intense inflammatory reaction concentrated primarily in the adventitia of this blood vessel with some extension into the tunica media. Derivatives adventitial adjective ... Aneurysmal development is caused by weakness in the muscular tunica media and stretching of the tunica intima and adventitial layers. The inclusions may also be found in the adventitial cells of blood vessels. Intimai proliferation and adventitial thickening may further reduce the cross-sectional area of the pulmonary vascular bed. Origin Late 19th century: shortening of modern Latin tunica adventitia 'additional sheath'.
随便看	something of the kind something or other something speaks for itself something would not go (or come) amiss sometime sometimes someway somewhat somewhat of somewhen somewhere some —— are more equal than others somite Somme Somme, Battle of the sommelier sommer somnambulant somnambulantly somnambulism somnambulist somnambulistic somnambulistically somniferous somnific

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。