BIOL 3310 Study Guide - Midterm Guide: Body Odor, Keratinocyte, Integumentary System

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22 Dec 2016
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Organs of the integumentary system: skin and accessory structures including hair, nails, and gland, as well as blood vessels, muscles, and nerves. Excretion and abortion synthesis of vitamin d cutaneous sensation. Subcutaneous layer or hypodermis (attaches skin to thin hairy (most of the body) thick hairless (palmar surfaces, digits, soles. Dermis (inner thicker layer connective tissue) Stratum corneum composed of many sublayers of dead keratinocytes constantly sheds. Stratum lucidum only in thick skin. Stratum granulosum includes keratohyalin waterproofs. Stratum spinosum 8-10 layers of keratinocytes. Stratum basle continuous ells division produces all other. Keratinocytes - 90% of the cells produce keratin though. Melanocytes produce pigment called melanin protects. Langerhans cells involved in immune response arise. Merkel cells: function in the sensation of touch along with fibrous protein that provides protection against damage by uv radiation from red brown marrow the skin layers. Variations in skin color arise from three pigments:

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