CELLS UNDER THE MICROSCOPE IMAGES

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Presentation transcript:

CELLS UNDER THE MICROSCOPE IMAGES

Organelles in a hepatocyte Transmission electron micrograph of a hepatocyte (liver cell). The image shows various organelles including the nucleus, lysosomes, mitochondria and Golgi. Credit: Kevin Mackenzie, University of Aberdeen, Wellcome Images BIGPICTUREEDUCATION.COM

TEM of a mitochondrion BIGPICTUREEDUCATION.COM A transmission electron micrograph of a mitochondrion in a chick embryo cell. Credit: Prof. R. Bellairs, Wellcome Images BIGPICTUREEDUCATION.COM

TEM of cell organelles BIGPICTUREEDUCATION.COM A transmission electron micrograph showing a mitochondrion, part of a nucleus and rough endoplasmic reticulum. The section has been cut from a frozen section. This process preserves the sample without dehydration thereby preventing shrinkage. Although this type of image appears less sharp than the traditionally fixed material it gives a truer picture of the cell contents. The membranes show the characteristic dark, light, dark pattern of lipid bilayers and many cristae are visible inside the mitochondria. Credit: Mike Kayser, Wellcome Images BIGPICTUREEDUCATION.COM

Micrograph of cell organelles Cytoplasm of a liver cell showing mitochondria, rough endoplasmic reticulum and smooth endoplasmic reticulum. Mitochondria are the roundish structures and are the energy factories within the cell. Rough endoplasmic reticulum is so-called because it has ribosomes attached to its outer surface. Smooth endoplasmic reticulum has no ribosomes attached and is seen towards the bottom of the image. Credit: University of Edinburgh, Wellcome Images BIGPICTUREEDUCATION.COM

Rough endoplasmic reticulum Cytoplasm of a liver cell showing mitochondria, rough endoplasmic reticulum and smooth endoplasmic reticulum. Mitochondria are the roundish structures and are the energy factories within the cell. Rough endoplasmic reticulum is so-called because it has ribosomes attached to its outer surface. Smooth endoplasmic reticulum has no ribosomes attached and is seen towards the bottom of the image. Credit: University of Edinburgh, Wellcome Images BIGPICTUREEDUCATION.COM

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