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Mast cell, TEM

Colour enhanced transmission electron micrograph (TEM) of a human mast cell in connective tissue. The large oval structure in centre is the nucleus (blue), containing the cell's genetic material. The cytoplasm contains numerous granules (pink) which are released in response to inflammation or allergy. The granules contain heparin, histamine & serotonin. Heparin is an anti-coagulant; histamine increases the permeability of blood vessel walls. Release of granule contents probably occurs where there is a tendency for blood clot formation, or as part of the body's general defence mechanism at sites of infection.
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Titre:
Mast cell, TEM
Légende: Voir la traduction automatique
Colour enhanced transmission electron micrograph (TEM) of a human mast cell in connective tissue. The large oval structure in centre is the nucleus (blue), containing the cell's genetic material. The cytoplasm contains numerous granules (pink) which are released in response to inflammation or allergy. The granules contain heparin, histamine & serotonin. Heparin is an anti-coagulant; histamine increases the permeability of blood vessel walls. Release of granule contents probably occurs where there is a tendency for blood clot formation, or as part of the body's general defence mechanism at sites of infection.
Crédit:
Album / Science Source / Don W. Fawcett
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
4812 x 3311 px | 45.6 MB
Taille d'impression:
40.7 x 28.0 cm | 16.0 x 11.0 in (300 dpi)
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