Adjacent counties. 1  Angelina County (northeast) 2  Polk County (southeast) 3  San Jacinto County (south) 4  Walker County (southwest) 5  Houston County (northwest)
This lesson will cover the three main layers of your skin, which includes the epidermis, dermis, and subcutis. In addition, we'll learn about other skin cells and tissue, such as adipose tissue, keratinocytes, melanocytes, and Merkel's cells. UExcel Anatomy & Physiology: Study Guide & Test Prep / Science Courses.
There are three major types of skin cancers: basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and melanoma. The first two skin cancers are grouped together as non-melanoma skin cancers. Other unusual types of skin cancer include Merkel cell tumors and dermatofibrosarcoma protruberans. Here are the basics on skin cancers: The vast majority of skin cancers are basal cell carcinomas and squamous cells carcinomas. While malignant, these are unlikely to spread to other parts of the body.