麦粒肿是局部多形核白细胞和坏死组织所形成的脓肿，其症状包括疼痛，局部皮肤发热、肿胀和水肿。

Hordeola are focal abscesses of polymorphonuclear leukocytes and necrotic debris with symptoms of pain, warm, swelling, and edema.

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背景：创伤后多形核白细胞(PMN)激活是导致宿主组织损害和器官损伤的关键步骤。

Background: Actiation of polymorphonuclear neutrophils (PMN) is a critical eent leading to host tissue injury and organ damage after trauma.

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目的观察几种长效局麻药对多形核中性粒细胞(PMN)释放氧自由基的抑制作用。

Objective to study the inhibitory effects of some local anesthetics on oxygen free radicals generation of polymorphonuclear neutrophils (PMNs) and its possible mechanisms.

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