Human Bone Tissue
Human Bone Tissue - Related Videos
08:51
A Three-dimensional Tissue Culture Model to Study Primary Human Bone Marrow and its Malignancies
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Cited by 16 •
2014
In standard culture methods cells are taken out of their physiological environment and grown on the plastic surface of a dish. To study the behavior of primary human bone marrow cells we created a 3-D culture system where cells are grown under conditions recapitulating the native microenvironment of the tissue.
07:48
Working with Human Tissues for Translational Cancer Research
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Cited by 4 •
2015
Translational cancer research is dependent on extraction of human tissues. Much work has gone into optimizing extraction methods for ex vivo analysis. Here, we describe tissue processing methods allowing for maximal data output from limited samples.
01:30
Bone Cells and Tissue
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2023
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts. Osteoblasts and Osteocytes The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
01:17
Hormones and Bone Tissue
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2023
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it. Hormones That Influence Osteoblasts and/or Maintain the Matrix Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
10:03
Bioengineering of Humanized Bone Marrow Microenvironments in Mouse and Their Visualization by Live Imaging
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Cited by 28 •
2017
A method to create and live-image different humanized bone-marrow niches in mice is presented. Based on the supportive niche created by human mesenchymal cells, the addition of human endothelial cells induces the formation of human vessels, while the addition of rhBMP-2 induces the formation of human-mouse chimeric mature bone tissue.
FAQs
Bone strength arises from cooperation between a collagen-rich organic matrix and hydroxyapatite crystals. Collagen provides the principal organic framework, while hydroxyapatite supplies mineral reinforcement. This composite arrangement explains why bone combines a supportive structure with mineral content. Understanding both components is important when considering skeletal injury, bone replacement, or strategies intended to restore bone function.
Osteoblasts build bone, osteoclasts resorb it, and osteocytes coordinate remodeling. Their distinct activities allow bone tissue to undergo ongoing structural adjustment rather than remain static. This cellular balance provides a framework for understanding how bone responds to changing physiological conditions and why disruption of remodeling is relevant to disorders such as osteoporosis and other skeletal diseases.
Mechanical and physiological signals influence the remodeling activity coordinated by osteocytes. These signals help connect the condition of the surrounding tissue with the actions of bone-forming and bone-resorbing cells. In medicine, this relationship helps explain why bone is studied as a responsive living tissue when clinicians evaluate skeletal disorders, fractures, or approaches for restoring damaged structure.
Its cellular activity, mineralized matrix, and remodeling behavior provide a biological basis for addressing fractures, osteoporosis, skeletal disorders, and bone tumors. Medical investigation can therefore consider both the tissue's structure and the processes that maintain it. This perspective supports selecting treatment approaches aimed not only at immediate repair but also at restoring structural and functional integrity.
Bone grafts and implants are relevant when medical care must restore lost or damaged skeletal structure and function. Their development depends on understanding the relationship between the collagen-rich matrix, mineral reinforcement, and the living cells that maintain tissue. Bone tissue therefore provides the biological context for designing replacement strategies that address structural support rather than treating bone as an inert material.
Bone tissue engineering uses knowledge of the matrix, mineral content, and remodeling cells to guide strategies for restoring skeletal structure and function. The goal is not simply to reproduce a rigid shape, but to support the biological features that make bone living and responsive. This context informs the development of grafts, implants, and other restorative approaches in medicine.
Remodeling is clinically important because it links osteoblast construction, osteoclast resorption, and osteocyte coordination with skeletal health. In osteoporosis, this framework helps organize understanding of a disorder involving bone tissue, while bone tumors require attention to abnormal skeletal tissue in a medical setting. Studying these processes supports diagnosis and treatment research across distinct bone-related conditions.