Chapter 5 Take Aways From Chapter 5 lecture and related labs, understand the fol

Question

Chapter 5 Take Aways From Chapter 5 lecture and related labs, understand the following concepts and ideas. questions, definitions, figures, etc. related to the chapter in your journal. Also be able to answer all Define the following: . o Organ o Integument o appendages (in relation to skin) o Keratinocytes o Melanocytes o Langerhan's cells o Merkel cells What are the 3 major layer of epidermis? What are major characteristics/functions of each? What appendages are found in which layer? What are the major cells of each layers? List functions of the integumentary system. . What types of protections are offered by the integument? What are the 5 layers of epidermis? Characteristics of each, what is the order from deep to superficial (or superficial to deep). Be able to write about them and draw them What are 2 layers of the dermis? What tissue types are the layers composed of and how does this link to the . function of the dermis? Be able to write about them and draw them. . Describe the role of melanin in the skin. . What other pigments are found in the skin. . Identify the appendages of skin and explain their functions . Compare and contrast sebaceous and sudoriferous glands . Compare and contrast apocrine and eccrine glands. Explain the role of skin in the creation of vitamin D. (Figure in notes) . How is melanin related to skin cancer? .Why does sunscreen help prevent skin cancer? What gene is impacted in skin cancer (caused by UV)? . What are imbalances of skin and the characteristics of each? . What is the ABCDE rule? What are the 3 types of burns? How do they differ? .What happens to the skin as you age? Understand the ideas/concepts presented in the articles about skin cancer Explain some of the disorders related to skin. Be able to explain the disorder, its likely cause (if known), and treatment options

Explanation / Answer

Organs refer to collections of tissues performing a similar function. Integument refers to the natural covering of an organism or an organ, Appendages refers to parts or organs that are joined to the body of an organism Keratinocytes refer to a type of skin cell that produces the protein keratin. Melanocytes are a type of cells found in epidermis which produce pigment -melanin Langerhans cells are a type of immune cells of the skin and mucosa, Merkel cells are the cells of the skin, where they function mainly as touch receptors

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