Every bone is comprised of a type of specialized connective tissue which allows bones to be the well-known framework that keeps things in place in the human body. Continue watching the full video here:
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Bones are dynamic structures, and so are generally very good at responding to damage and rebuilding themselves. This means that if we do have a clumsy moment, we don’t end up with one of these for the rest of our lives!
Bone tissue is a specialized connective tissue that forms the adult skeleton. As well as providing structural support, for the body and its tissues, it also protects vital organs and provides surfaces for muscles to attach. This, of course, is especially important for movement.
Bone is very metabolically active. It stores calcium and phosphate ions that are needed for other tissues in the body, like neurons and muscles. It is also the site of hematopoiesis, which involves the formation of blood cells.
On the full version of this video, we will cover the following topics:
- We look at bone matrix and the osteoid;
- The cells of bone tissue: osteoblasts, osteocytes, osteoclasts;
- We also looked at how bone tissue is organized into a series of layers. First it is surrounded both internally and externally by a layers of connective tissue. Periosteum surrounds the outer surface of bone and endosteum lines the inner surface of bone adjacent to the medullary cavity;
- Then we look at the medullary cavity, which is the center of a bone and is filled with adipose and white blood cells and a network of spongy bone trabeculae;
- We also examine osteons and their major features: haversian canals, Volkmann's canals, lacunae, canaliculi;
- Finally, we look at the main types of lamellar bone tissue: compact bone, and spongy bone;
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Want to test your knowledge on the histology of bone tissue? Take this quiz: https://khub.me/n5yn9
Read more on the histology of bone tissue on this article that includes a clinical notes section on osteopenia https://khub.me/rb3t1
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/94ebq
Bone tissue: structure, histology and anatomy (preview) | Kenhub | |
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| Education | Upload TimePublished on 9 Jul 2018 |
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