Coloured SEM of transverse section of compact bone

Credit: POWER AND SYRED/SCIENCE PHOTO LIBRARY

Caption: Compact bone. Coloured scanning electron micrograph (SEM) of a transverse section of compact bone. The Haversian canals (dark circular holes) contain blood vessels, lymphatics and nerves (all coloured pink). Haversian canals are interconnecting neurovascular channels which run parallel to the long axes of long bones. Concentric bony layers, the lamellae, enclose the Haversian canals. The lamellae are made of compacted collagen fibres and ground substances produced by specialised cells called osteoblasts. During bone formation the osteoblasts become progressively trapped in lacunae (small dark pits). Magnification: x250 at5x7cm size. x650 at 8x6".

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Keywords: anatomy, bone, bones, compact, compact bone, haversian canal, human body, images, lacuna, lamella, magnified image, microscopic photos, subjects

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