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.
âEczemaâ is a term for many kinds of skin problems. Atopic dermatitis is the most common kind of eczema. Other types include: 1  Allergic contact eczema. 2  The skin gets red, itchy, and weepy because it touches something that the immune system knows is foreign, like poison ivy. 3  Contact eczema.