DescriptionBlood clot in scanning electron microscopy.jpg
English: This scanning electron micrograph (SEM) depicted a number of red blood cells found enmeshed in a fibrinous matrix on the luminal surface of an indwelling vascular catheter; Magnified 2858x.
Note the biconcave cytomorphologic shape of each erythrocyte, which increases the surface area of these hemoglobin-filled cells, thereby, promoting a greater degree of gas exchange, which is their primary function in an in vivo setting. In their adult phase, these cells possess no nucleus. What appears to be irregularly-shaped chunks of debris, are actually fibrin clumps, which when inside the living organism, functions as a key component in the process of blood clot formation, acting to entrap the red blood cells in a mesh-like latticework of proteinaceous strands, thereby, stabilizing and strengthening the clot, in much the same way as rebar acts to strengthen, and reinforce cement.
Cette œuvre a été placée dans le domaine public par son auteur, http://phil.cdc.gov/phil/details.asp Janice Carr. Ceci s’applique dans le monde entier. Dans certains pays, ceci peut ne pas être possible ; dans ce cas : http://phil.cdc.gov/phil/details.asp Janice Carr accorde à toute personne le droit d’utiliser cette œuvre dans n’importe quel but, sans aucune condition, sauf celles requises par la loi.
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