The dermis's a layer of skin between the epidermis and subcutaneous tissues, and's composed of two layers, the papillary and reticular dermis. Structural components of the dermis are collagen, elastic fibers, and extrafibrillar matrix (previously called ground substance). Additional images Image:Normal Epidermis and Dermis with Intradermal Nevus 10x.JPG|Epidermis and dermis of human skin. Image:Skin.jpg|Cross-section of all human skin layers.… (More on Dermis)