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Capillary Net of an Alveolus showing the erythrocytes within the blood vessels.  CREDIT: Oliver Meckes (via FEI) Scanning Electron Microscope Magnification: 1800x

mucholderthen: “Capillary Net of an Alveolus showing the erythrocytes within the blood vessels. CREDIT: Oliver Meckes (via FEI) Scanning Electron Microscope Magnification: Alveolus Alveolus.

Live plant cells and breathing stoma under microscope (phase-contrast method), magnification 1000X - HD

Live plant cells and breathing stoma under microscope (phase-contrast method), magnification - HD

Heart muscle cells derived from stem cells.

Heart muscle cells derived from stem cells. Teal and aqua colors represent the fibers that allow the cells to contract to produce a heartbeat, while red represents the cell’s nucleus.

The Great Story III An animal cell, a eukaryote.Before the electron microscope, the complexity of subtle structures within the cell was not known. Now we are only beginning to appreciate the complexity of sub-cellular anatomy and physiology!

The Great Story III An animal cell, a eukaryote.Before the electron microscope, the complexity of subtle structures within the cell was not known. Now we are only beginning to appreciate the complexity of sub-cellular anatomy and physiology!

The cancer cell's pink mitochondria and gold endoplasmic reticulum--a network of vesicles and sacs--swirl around a dark nucleus. The rendering was awarded an honorable mention in the illustration category of the 2008 International Science and Engineering Visualization Challenge.     Donald Bliss and Sriram Subramaniam of the National Institutes of Health's National Library of Medicine created the image by "sandblasting" the cell with ions of the element gallium.

A melanoma cell viewed with imaging with Ion-Abrasion SEM. Credit : Donald Bliss and Sriram Subramaniam, National Library of Medicine, NIH

a microscopic view of apoptosis (a normal process to eliminate DNA-damaged, superfluous, or unwanted cells)

a microscopic view of apoptosis (a normal process to eliminate DNA-damaged, superfluous, or unwanted cells) AS&K Visual Science - Medical Illustration & Animation on Behance

Cell biology-Nasopharynx surface showing microvilli on the surface of stratified squamous nasal epithelial cells. The tiny microvilli increase the cell surface area and likely aid in localizing foreign debris coming from the nose detected by immune cells. Mucus secreted by cells in the epithelial lining (not seen) traps foreign objects such as bacteria, preventing them from entering the lungs. SEM X2000.

Nasopharynx surface showing microvilli on the surface of stratified squamous nasal epithelial cells. The tiny microvilli increase the cell surface area.

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