n.[植]下皮；[动]真皮
It then activates the hypodermis. 这都是在免疫系统出现紊乱的情况下，把人体内的正常细胞当成入侵的病原加以杀害而影响到人体的健康。
Skin structure is made of 3 layers, epidermis, dermis and hypodermis. 皮肤的结构有3层:表皮、真皮和皮下组织。
Leaves form is falcate, and darkly greenish with two parallelly stomatic bands in the hypodermis. 其叶为镰刀型针叶，叶背有二条平行的白色气孔带。
With the elasticity of dermis and hypodermis increased, the wrinkle will be weaken. 要减少皱纹,就要提高真皮及皮下组织的弹性。
In spongy parenchyma there is a layer of hypodermis which is composed of idioblasts. 栅栏组织的外层细胞转化为异细胞，海绵组织内具有一层由异细胞组成的下皮层；
Hypodermis One or more layers of cells that may be found immediately below the epidermis of plants. 下皮：是植物表皮下的一层或多层细胞，主要由大量薄壁的无色细胞组成。
