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Fossilised compact bone, SEM
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Fossilised compact bone, SEM
Fossilised compact bone. Coloured scanning electron micrograph (SEM) of a section through fossilised compact bone. This tissue is found in the dense walls of the shafts of bones. It consists of concentric layers of collagen- containing matrix (lamellae, pink), around Haversian canals (large holes), which contain blood and lymph vessels, and nerves. These canals run the length of the bone. The lamellae and canals together form a Haversian system, or osteon. Many systems are arranged in columns running parallel to the long axis of the bone. Mineral deposits (yellow) have collected in the lacunae (smaller holes) of the bone during fossilisation
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6419790
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Canal Canals Collagen Compact Bone Fossil Haversian System Lacuna Lacunae Lamellae Magnified Image Matrix Microscopic Subjects Osteocyte Osteocytes Osteon Osteons Tissue False Coloured Section Sectioned
EDITORS COMMENTS
This print showcases a magnified image of fossilised compact bone, taken using a scanning electron microscope (SEM). The tissue depicted here is commonly found in the dense walls of bone shafts. It exhibits concentric layers of collagen-containing matrix, beautifully colored in pink. Surrounding these layers are Haversian canals, which appear as large holes and house blood vessels, lymph vessels, and nerves essential for bone health. Running the entire length of the bone are these intricate canals and lamellae that collectively form a Haversian system or osteon. Numerous systems align in columns parallel to the long axis of the bone, contributing to its strength and structure. During fossilisation, mineral deposits have accumulated within smaller holes known as lacunae. This false-colored SEM image provides an extraordinary glimpse into the microscopic subjects that make up our bones' anatomy. Each detail has been meticulously captured to reveal this normal anatomical section with utmost clarity. The complexity and beauty displayed by this biological marvel highlight both its functionality and resilience. Science Photo Library presents this remarkable print capturing the essence of healthy collagen-based tissues within compact bones. It serves as a testament to nature's ingenuity while offering valuable insights into skeletal structures through advanced imaging techniques like SEM microscopy.
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