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CHAPTER 5 - CARTILAGE AND BONE
Histology Guide
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MICROGRAPH

NAME
EM 342 Bone Collagen
TISSUE
Compact Bone
IMAGE SIZE
6,400 x 4,800 pixels
303 MB
FILE SIZES
15,243 KB (grayscale)
20,016 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
1.961 nm
SOURCE
Sergio Bertazzo
Department of Medical Physics and Biomedical Engineering
University College of London
London, United Kingdom

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EM 342 Bone Collagen

Bone Calcification

Scanning electron micrograph (SEM) of type I collagen fibers after mineralization in bone.

Bone is a composite material that consists of type I collagen fibrils embedded with crystalline mineral particles (calcium phosphate). The characteristic banding of collagen is not seen because crystals fill the gaps between individual collagen molecules. This combination makes bones strong and rigid without making it brittle.

Courtesy of Sergio Bertazzo (Department of Medical Physics and Biomedical Engineering, University College of London, London, UK).

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