Structure of the skin
What are the three main layers of the skin listed in order?
what is Epidermis, dermis, subcutaneous layer.
What is the outermost epidermal layer composed of dead keratinized cells that provide the primary barrier?
What is the stratum corneum
What is the visible portion of hair projects above the skin surface and contains dead keratinized cells?
What is the hair shaft
These epidermal cells extend dendritic processes to transfer melanin to keratinocytes?
What are melanocytes
What epidermal layer is present only in thick skin?
What is the stratum lucidum
What connective tissue structure containing capillaries that nourishes the hair matrix?
What is the dermal papilla
interlocking projections between dermis and epidermis that increase surface area?
What are dermal papillae
What epidermal layer characterized by keratinocytes connected by desmosomes?
What is the stratum spinosum
What smooth muscle attached to hair follicles that causes goosebumps when it contracts?
What is the arrector pili muscle.