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為什麼遭到磕碰後皮膚上會出現烏青塊
為什麼遭到磕碰後皮膚上會出現烏青塊
更新时间:2025-02-15 22:40:53

  1、遭到磕碰後皮膚上會出現烏青塊是因為毛細血管破裂。

  2、皮膚下布滿毛細血管,當遭受磕碰後,這些毛細血管有可能發生破裂,就會有血液流出,但這些血液又被皮膚阻擋而無法流到體外,隻能積聚在破裂血管的周圍,就形成了烏青塊。

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