口腔内是角化层, 根本不怕盐水, 而增生的炎细胞幼嫩,易脱落。看看小孩感冒时的两侧肿大充血的扁桃体, 即知了。
口腔内是角化层, 根本不怕盐水, 而增生的炎细胞幼嫩,易脱落。看看小孩感冒时的两侧肿大充血的扁桃体, 即知了。
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