False-col Sem Of Blood Cells In A Blood Capillary
by Photo Insolite Realite/science Photo Library
Title
False-col Sem Of Blood Cells In A Blood Capillary
Artist
Photo Insolite Realite/science Photo Library
Medium
Photograph - Photograph
Description
False-colour scanning electron micrograph (SEM) of red blood cells or erythrocytes (seen as the orange biconvave discs) densely packed into a blood capillary. Capillaries are the smallest type of blood vessel, made up exclusively of endothelial cells. Erythrocytes are essentially non-motile bags of haemoglobin; their biconcave shape is an adaptation to increase the surface area over which the exchange of oxygen & carbon dioxide can occur. They are flexible, & can accommodate themselves to the smallest capillaries. Magnification: x600 at 35mm size.
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February 16th, 2021
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