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The dermis houses hair follicles and glands with ducts that pass up through the skin .

真皮包含了毛囊和纵贯皮肤的带导管的腺体。

Image : a growing ht1080 fibrosarcoma tumor in the mouse dermis triggers neoangiogenesis , often as bizarrely shaped , irregular vessels with defective permeability .

图片：老鼠真皮层中不断生长的ht1080纤维肉瘤引发了血管异生，即产生形态怪异不规则且渗透性有缺陷的血管。

Cancer isn 't the only problem associated with uv exposure . Uva damage to the dermis is the main factor in premature skin aging .

癌症并不是紫外线暴晒仅有的一种问题，uva对真皮的伤害是皮肤过早老化的主要因素。

We shall never know how long after the accident the fish ate the finger , but bayle thinks even if the thick layer of epidermis had been digested , galassi 's finger could still have been identified from its dermis .

我们将无从知道事故之后，手指在鱼腹中保存了多久，但加拉西斯认为即使手厚厚的表层被鱼消化，他的手指也可以根据真皮而鉴定出来。

The researchers found that some tissues , like the dermis , could become other tissue types , like cartilage , but that others , such as muscle , were much less flexible and remained muscle throughout the process .

研究者发现一些组织例如真皮可以分化为软骨组织，不过其他的一组组织如肌肉则缺乏活性，在整个过程中仍然保持肌肉组织的状态。