期刊
FACIAL PLASTIC SURGERY CLINICS OF NORTH AMERICA
卷 25, 期 3, 页码 283-+出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.fsc.2017.03.001
关键词
Skin; Epidermis; Dermis; Basal cell carcinoma; Squamous cell carcinoma
类别
Skin is composed of the epidermis, dermis, and adnexal structures. The epidermis is composed of 4 layers-the stratums basale, spinosum, granulosum, and corneum. The dermis is divided into a superficial papillary dermis and deeper reticular dermis. Collagen and elastin within the reticular dermis are responsible for skin tensile strength and elasticity, respectively. The 2 most common kinds of nonmelanoma skin cancers are basal cell and squamous cell carcinoma. Both are caused by a host of environmental and genetic factors, although UV light exposure is the single greatest predisposing factor.
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