324Lecture1 intro - Histology Introduction Introduction...

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Histology Introduction
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Introduction Histology The study of human tissues. Baseline, normal expressions, no clinical or pathological forms. Tissue An aggregation of cells of similar size and shape having the same function.
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Levels of Organization
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Related Sciences Physiology the study of function. Anatomy the study of structure as revealed by dissection. Morphology the study of form and structure.
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Major Tissue Types A. Epithelial - lines and covers, secretes and absorbs; good cellular organization, little matrix B. Connective - not well organized; diverse types; produces extracellular products (fibers and abundant matrix). C. Muscle - cells capable of contraction; excitable membranes, moderate matrix. D. Nervous - cells specialized for initiating and conducting waves of depolarization = excitable membranes; great elongation by some cells. No matrix.
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Light Microscopy Phase Contrast, Differential Interference, Confocal, Fluorescence
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324Lecture1 intro - Histology Introduction Introduction...

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