Bone Growth
Bone Growth - Related Videos
01:27
Growth of Cartilage and Bone Tissue
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2023
Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...
08:49
Models of Bone Metastasis
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Cited by 115 •
2012
Animal models are frequently utilized to study cancer metastasis to bone. In this protocol we will describe two common methods of tumor inoculation for bone metastasis studies and briefly describe some of the analyses utilized to monitor and quantify these models.
08:41
Calvarial Model of Bone Augmentation in Rabbit for Assessment of Bone Growth and Neovascularization in Bone Substitution Materials
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Cited by 5 •
2019
Here we present a surgical protocol in rabbits with the aim to assess bone substitution materials in terms of bone regeneration capacities. By using PEEK cylinders fixed onto rabbit skulls, osteoconduction, osteoinduction, osteogenesis and vasculogenesis induced by the materials may be evaluated either on live or euthanized animals.
10:45
In Situ Visualization of Axon Growth and Growth Cone Dynamics in Acute Ex Vivo Embryonic Brain Slice Cultures
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Cited by 4 •
2021
This protocol demonstrates a straightforward and robust method to study in situ axon growth and growth cone dynamics. It describes how to prepare ex vivo physiologically relevant acute brain slices and provides a user-friendly analysis pipeline.
07:17
Murine Hind Limb Long Bone Dissection and Bone Marrow Isolation
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Cited by 293 •
2016
Here we present a protocol for the dissection of hind limb long bones (femurs and tibiae) from the laboratory mouse. We further describe a rapid technique for bone marrow isolation from these bones that utilizes centrifugation for removal of bone marrow from the bone marrow space.
FAQs
At the epiphyseal growth plate, cartilage cells first proliferate and then enlarge. Their cartilage framework is subsequently replaced by mineralized bone, extending the bone as development proceeds. This sequence links cell behavior to skeletal lengthening and explains why growth-plate activity is central to studying normal development and disorders affecting stature.
Bone strength depends on a balance between construction and removal. Osteoblasts build new bone tissue, whereas osteoclasts resorb older tissue during remodeling. Studying this opposing activity helps biologists understand how skeletal structure is maintained, how changes in turnover may relate to osteoporosis, and why bone remains biologically active after development.
Genetic signals, hormones, mechanical loading, and nutrient availability can all influence the coordinated activity underlying skeletal growth. These factors matter because bone development is not controlled by cells alone. Considering them together helps explain variation in skeletal outcomes and provides biological context for investigating growth disorders and changes associated with development.
Bone Growth research provides a framework for examining what happens when skeletal formation, resorption, or remodeling does not proceed normally. Its relevance extends from fractures and osteoporosis to growth disorders, because these conditions can be considered alongside the cellular activity, regulatory signals, and structural maintenance that shape bone biology.
Understanding the cellular and regulatory basis of bone growth supports efforts related to bone repair and regenerative medicine. The same biological context clarifies how new tissue formation, mineralization, and remodeling contribute to skeletal structure. This knowledge can guide research questions about restoring bone while keeping attention on development, maintenance, and tissue strength.
When growth-plate activity largely ends after puberty, the biology of skeletal lengthening differs from the processes that maintain bone structure later in life. Researchers can therefore separate developmental growth from ongoing remodeling, in which osteoblasts build tissue and osteoclasts resorb older tissue. This distinction helps organize studies of normal development, maintenance, and growth-related disorders.