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Little's area Little
anat.
区
(又称易出血区,位于鼻中隔的前下部,约90%鼻出血发生在此区。 筛前动脉、筛后动脉、蝶腭动脉的鼻中隔后支、上唇动脉和腭大动脉在该处黏膜下互相吻合,形成动脉网。由于此区黏膜血管丰富而表浅,外伤或受干燥空气刺激时易破裂出血)
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