BIO 121 Lecture Notes - Lecture 4: Eponychium, Merocrine, Apocrine
3 Oct 2016
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Chapter 4-integument: list 6 general structures that compose the integumentary system. 4. 2: skin, hair, nails, sweat glands, oil glands, mammary glands, list 6 functions of the integument, physical protection, regulation of body temperature, excretion of products, synthesis of products, sensation f. Immune defense: skin (cutaneous membrane) is made up of which 2 divisions, dermis, epidermis, define thick versus thin skin. Where can each be found: thick: found on palms and soles. Made of 5 layers of cells: thin: fond on the rest of body. Made if 4 layers of cells: list and briefly describe four cell types found in the epidermis, keratinocytes: produces a tough protein called keratin, melanocytes: pigment cells located deep in the epidermis. Produce melanin: merkel cells: sensory cells, langerhans cells: wandering macrophages, list and briefly describe the 5 layers of the epidermis. What is another name for the stratum basale: stratum basale ( stratum germinativum.
