UA BSC 109 - Skin disorders (3 pages)

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Skin disorders

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Skin disorders


Discussed diseases and skin disorders

Lecture number:
Lecture Note
University of Alabama
Bsc 109 - Intro Biology Non Maj II

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Bsc 109 1nd Edition Lecture 7 Outline of Last Lecture I Fat and glycogen sources of energy II The cytoskeleton supports the cell III Cilia and flagella are specialized for movement IV Cells use and transform matter and energy V Glucose provides cells with energy VI Anaerobic pathways make energy without oxygen Chapter 4 I Tissues group of cells with common function organ systems have all 4 II Epithelial tissues III Cell junctions hold cells together IV Connective tissue V Muscle tissue contracts to produce movement VI Nervous tissues transmit impulses VII Organs and organ systems perform complex functions VIII Body cavities planes positions IX The skin as an organ system Outline of Current Lecture I The skin as an organ system continued II Skim disorders and diseases These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Current Lecture I II the skin as an organ system E Dermis 1 Beneath the epidermis 2 Supports tissues 3 Fibers a Collagen b Elastic 4 Cells a Fibroblasts b Mast cells c White blood cells d Fat cells insulation and cushionin 5 Structures a Hair shaft follicle b Smooth muscle attached to hair follicle raises hair to upright position c Oil glands secrete oil to moisten and soften hair and skin cracks and breaks when dry d Sweat glands secrete sweat help in temp regulation e Blood vessels supply nutrients remove waste assist in temperature regulation f Sensory nerves detect heat cold touch deep pressure vibration Skin disorders diseases A Acne pores blocked by oil bacteria or dirt become infected B Cancer uncontrolled growth of skin cells ABCDE asymmetry border color diameter evolving C Hemangioma abnormal buildup of blood vessels D Psoriasis chronic skin condition marked by red and sometimes scaly and sometimes scaly patches of skin E Hives raised often itchy red welts on the surface of the skin usually due to allergic reactions to food or medicine F

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