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 main types of skin cancer: basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) , which are called non-melanoma skin cancers, and melanoma. There are other rare skin cancers, such as those that start in the sweat glands and hair follicles.