Matching Pairs Integumentary Match UP!Online version Try your hand at matching up these terms to their definitions. by Kim Sandberg 1 Langerhans Cells 2 Stratum Lucidum 3 Stratum Spinosum 4 Melanocytes 5 Stratum Corneum 6 Pacinian corpuscle 7 Stratum Granulosum 8 Dermis 9 Stratum Basale The inner most layer of the epidermis that has the "baby" skin cells along with Langerhans and melanocytes. Fight off foreign invaders and signal an immune response What is often referred to as the "mitotic" layer of the skin as the cells are making more copies of themselves and starting to develop their keratin fibers Senses pressure Layer that acts as a barrier The outermost layer of the epidermis that is keratinized cells that protect and waterproof our body. Second layer of the epidermis but ONLY found in the thickest parts of the skin (palms, soles, elbows) Makes melanin, the pigment that colors our skin and protects us from harmful UV rays from the sun Under epidermis, contains collagen and elastin, along with hair follicles, nerve endings and blood vessels