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Related Concept Videos

Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Bone as Supporting Connective Tissue01:23

Bone as Supporting Connective Tissue

Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts— that give the...
Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Bone Remodeling and Repair01:31

Bone Remodeling and Repair

Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...

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Related Experiment Video

Updated: Jul 10, 2026

Biological Compatibility Profile on Biomaterials for Bone Regeneration
10:28

Biological Compatibility Profile on Biomaterials for Bone Regeneration

Published on: November 16, 2018

About composite materials and their use in bone surgery.

B Gasser1

  • 1Dr Robert Mathys Stiftung, Bischmattstr. 12, CH-2544 Bettlach.

Injury
|March 29, 2001
PubMed
Summary

Composite materials offer enhanced strength and radiolucency for medical devices. However, biological challenges with current composites limit direct bone contact applications, necessitating further research for bone surgery potential.

Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Orthopedic Surgery

Background:

  • Composite materials combine multiple components to enhance physical, mechanical, and biological properties.
  • These materials offer advantages like high weight-specific strength, stiffness, and radiolucency for device applications.
  • In medical technology, composites often involve a polymer matrix reinforced with fibers.

Purpose of the Study:

  • To explore the potential of composite materials in medical technology, particularly for bone surgery applications.
  • To identify the challenges and opportunities associated with using composite materials in direct bone contact.
  • To justify continued research and development efforts in this field.

Main Methods:

  • Review of composite material properties and their application in medical devices.

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Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering

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Multimodal Approach to Assess Bone Regeneration and Scaffold Performance
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Multimodal Approach to Assess Bone Regeneration and Scaffold Performance

Published on: February 13, 2026

Related Experiment Videos

Last Updated: Jul 10, 2026

Biological Compatibility Profile on Biomaterials for Bone Regeneration
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Biological Compatibility Profile on Biomaterials for Bone Regeneration

Published on: November 16, 2018

Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering
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Synthesis of Graphene-Hydroxyapatite Nanocomposites for Potential Use in Bone Tissue Engineering

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Multimodal Approach to Assess Bone Regeneration and Scaffold Performance

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  • Analysis of biological challenges associated with current composite materials and manufacturing processes.
  • Evaluation of the potential for composite materials in orthopedic applications.

    • Main Results:

    • Composite materials provide desirable properties such as high strength-to-weight ratio and radiolucency.
    • Existing composite materials face biological challenges that restrict their use in direct bone contact.
    • Despite limitations, composite materials show promise for specific applications in bone surgery.

    Conclusions:

    • Composite materials have significant potential in medical device applications, including orthopedics.
    • Further research is required to overcome biological limitations for unrestricted use in direct bone contact.
    • Continued development is justified to fully realize the application potential of composites in bone surgery.