Biol 2457 1ST Edition Lecture 7 Chapter 4Disrupt balance between negative in inside of cell and positive in the outside of the cell.If you damage the Nervous System, you can regain function.I. Neuroglial cellsa. Supporting cellsII. Special Epithelial Cellsa. Line ventricles of your brainb. Help to move spinal fluid within the brain III. Central Nervous Systema. Sensory (Afferent)b. Motor (Efferent)IV. Autonomic Nervous Systema. Involuntaryb. No Controlc. Stress changes your autonomic nervous systemV. Peripheral Nervous Systema. Dangliai. Collections of cell bodiesb. Axon Nervesi. Collections of axonsii. White matteriii. Some are afferent and some are efferentVI. Tissue Repaira. Scar Tissueb. Fibroglass produces those fibersc. Since your extracellular matrix stays fluidThese 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.i. Contributes to longevityVII. Integumentary Systemi. Cutaneous membranes such as hair and skin1. Are there for protectionb. Epidermisi. Develops from Ectodermii. At 20 weeks, cell starts dividing/growingiii. As development continues, cells take on a different shapec. Dermisd. HypodermisVIII. Types of Skina. Thin skin (hairy)i. Areas you don`t walk onb. Thick skin (Hairless)i. Covers palms, digits, and solesIX. Sensible sweata. Exocytosis, mostly waterX. Insensible sweata. Loss of interstitial fluidXI. Functionsa. Helps regulate body temperaturesb. All capillaries keep body organs warmc. Blood Reservoird. The ability to excrete thingsXII. Cardiovascular Systema. Supplied blood vessels in the dermisb. Epidermis Outeri. Epithelial layer1. Vascular (No blood)2. All nutrients and Oxygen perculate through3. Keratinized protein makes skin tough; Is water resistantc. Epidermisi. Contains1. Keratinocytes2. Melanocytes3. Langerhan4. Merkel Cellsii. 90% of cell contains tough protein1. Produces Keratin which is tough, fibrous protein2. Percolate through exocytosis 3. Phagocyte; Macrophage4. Irritation; Inflammationiii. Melanoma1. The most devastating type of skin cancer2. Can break through the lamina and get to the bloodiv. Corneum Stratum1. Dead skin cellsv. Hair1. Stratified Squamous Epitheliumvi. Vitamin D1. Important for the absorption of
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