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Resin cast of arteries in the brain

resin cast of blood vessels | Arteries of a stillborn human baby's head, neck, and brain, colored resin cast. The blood vessels are very dense around the thyroid gland, and the outline of the tongue can also be seen.

Human skin cells.

Cast of human lungs, showing blood vessels on one side. Photo courtesy Ewald Weibel, Institute of Anantomy, University of Berne.

Divisions cellulaires [Vid]

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Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a human heart. Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (cream). The fibrin mesh is formed in response to chemicals secreted by platelets (pink), fragments of white blood cells. Clots are formed in response to cardiovascular disease or injuries to blood vessels. Connective tissue (orange) is also seen.

Human skin seen under a microscope, showing hair shaft and sweat pores

Photo : Human skin seen under a microscope, showing hair shaft and sweat pores

Incredible Technology: How to Do Brain Surgery

Incredible Technology: How to Do Brain Surgery - A magnetic resonance imaging scan shows the blood vessels of the brain, a technique surgeons use to find aneurysms.