干燥皮肤由于脱水等因素的影响致皮肤结构致密，硬度增加。在制片过程中，各步骤所需时间比其他组织都要延长，否则时间不足则组织细胞内脱水不充分，影响二甲苯透明及浸蜡效果，致使蜡块质量差，不易保存，并难以切出完整的切片，染片时也易脱落。但时间过长则组织变脆，切片 Dry skin due to dehydration and other factors resulting in dense skin structure, increased hardness. In the production process, each step takes longer than other organizations to extend, or lack of time, inadequate dehydration within the organization cells, affecting the transparency of xylene and waxing effect, resulting in poor quality wax block, not easy to save and difficult to cut A complete slice, also easy to fall off when the dye. But the time is too long, the organization becomes brittle, sliced