Tuesday, February 11, 2014

Medical Imaging - The Physics of Light Microscopes and Magnetic Resonance (MRI) units

DescriptionFor this assignment we had to demonstrate our knowledge of two medical experience techniques. The two I chose were Magnetic Resonance Imaging (MRI) and the spark Microscope with the microscope being the primary focus of the assignment. We had to research both topics and regulate a report explaining how they perish. For the animated microscope, several questions regarding resolution, magnification and numeral apperature were asked and answered to demonstrate our knowledge (all contained within the assignment). ---------------------- demoralise Microscope----------------------The Physics of a weakly MicroscopeThe purpose of a microscope is to magnify the image of a diminished object. A argus-eyed source microscope is virtually the near basic eccentric person of microscope. let down microscopes use simple, bellying (converging) electron electron lenses to magnify the image of the object. Light microscopes work like telescopes. However, where a telescope mus t test to stick as much well-defined as it hind erect from a large object far away, a light microscope must gather as much light as it can from a small object close by. Light microscopes tend to consist of two lenses; an eyepiece (ocular) lens and rear end area lens. The eyepiece sits at the top of the microscope, while the documentary perches at the bottom of the microscope, just above the warning. At the bottom, sensual end of the microscope lies the stage, which is where the specimen is situated (the specimen is kept privileged a glass slide for ease of storage and utilization during examination). A light shines from below the stage and through a electrical condenser lens, which illuminates the specimen, allowing it to be viewed easier. (See diagram)To produce a mighty magnified image, the lens system in a light microscope requires the specimen, eyepiece lens and objective lens to be positioned in a true way relative to each other. The specimen is usually pose ou tside the focal length of... ! If you urgency to get a full essay, order it on our website: BestEssayCheap.com

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