Layers Of The Skin Flashcards
Three layers
Epidermis, dermis, and subcutaneous
Epidermis does not contain
Blood vessels or connective tissue
Epithelial tissues
Form a protective covering for all of the internal and external surfaces of the body
Squamous epithelial tissue forms the _____ layer of the epidermis
Upper, consists of the flat, scaly cells that are continuously shed
Basal layer location
Lowest layer of the epidermis
Basal layer function
New cells produced and then pushed upward, when they reach the surface they die and become keratin
Keratin
Fibrous, water-repellent protein
Soft keratin= epidermis
Hard keratin = hair and nails
Melanocytes
Special cells that are found in the basal cell layer
Produce and contain melanin
Melanin
Pigment that determines the color of the skin
Also produces freckles and age spots
Melanin function
Protects the skin against UV light