London, United Kingdom
Osteoblast Bone Cell, Sem
Photograph - Photograph
Osteoblast bone cell. Coloured scanning electron micrograph (SEM) of an osteoblast (centre) in bone tissue. Osteoblasts are primarily found in regions of new bone growth. They produce and secrete osteoid, a matrix of new bone tissue composed of collagen fibrils and other structural proteins. As soon as osteoid is formed, calcium salts crystallise inside it to form hard, mineralised bone. Magnification x8000 when printed 10 centimetres wide.
May 6th, 2013
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