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单词
gingivitis
释义
gingivitis
Encyclopedia
医学
牙龈炎
释
gingivitis
牙龈炎
牙龈组织的炎性病变。表现为牙龈红肿、口臭、出血等。是最常见的牙龈病,属于慢性感染性疾病,主要感染源为堆积在牙颈部及龈沟内的牙菌斑中的微生物。菌斑微生物及其产物长期作用于牙龈,首先导致牙龈的炎症反应,继而引起机体的免疫应答反应,即菌斑性龈炎,又称慢性龈炎、慢性龈缘炎、单纯性龈炎。
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collisionless
collisionless Boltzmann equation
collisionless damping
collisionless gas
collisionless instability
collisionless magnetosonic shock wave
collisionless plasma
collisionless shock
collisionless shock wave
collisionless system
collisionless tearing instability
collision lifetime
collision line broadening
collision loss
collision narrowing
collision of ships
collision of the first kind
collision of the second kind
collision of variables
collision operator
collision orbit
collision pair
collision parameter
collision position
collision probability
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