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Note for Biomedical Instrumentation - BI By mohan kumar

  • Biomedical Instrumentation - BI
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UNIT 1 PHYSIOLOGY AND TRANSDUCERS 1 IFETCE/EEE/M.SUJITH/IV YEAR/VII SEM/EI 2311/BMI/PPT /VER 1.0

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PHYSIOLOGY AND TRANSDUCERS Cell and its structure – Resting and Action Potential – Nervous system: Functional organisation of the nervous system – Structure of nervous system, neurons - synapse – transmitters and neural communication – Cardiovascular system – respiratory system –Basic components of a biomedical system - Transducers – selection criteria – Piezoelectric, ultrasonic transducers - Temperature measurements - Fibre optic temperature sensors. 2 IFETCE/EEE/M.SUJITH/IV YEAR/VII SEM/EI 2311/BMI/PPT /VER 1.0

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History of Cell Theory ➢ mid 1600s – Anton van Leeuwenhoek -- Improved microscope, observed many living cells ➢ mid 1600s – Robert Hooke -- Observed many cells including cork cells ➢ 1850 – Rudolf Virchow -- Proposed that all cells come from existing cells 3 IFETCE/EEE/M.SUJITH/IV YEAR/VII SEM/EI 2311/BMI/PPT /VER 1.0

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Cell Theory 1. All organisms consist of 1 or more cells. 2. Cell is the smallest unit of life. 3. All cells come from pre-existing cells. 4 IFETCE/EEE/M.SUJITH/IV YEAR/VII SEM/EI 2311/BMI/PPT /VER 1.0

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