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Related Concept Videos

Bone Cells and Tissue01:30

Bone Cells and Tissue

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...
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.
Osteoclasts in Bone Remodeling01:31

Osteoclasts in Bone Remodeling

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 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 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...
Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

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...

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Updated: Jun 4, 2026

Decellularized Apple-Derived Scaffolds for Bone Tissue Engineering In Vitro and In Vivo
09:49

Decellularized Apple-Derived Scaffolds for Bone Tissue Engineering In Vitro and In Vivo

Published on: February 23, 2024

Osteoblasts in bone tissue engineering.

P Jayakumar1, L Di Silvio

  • 1Department of Biomaterials, Kings College London, UK.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
|February 4, 2011
PubMed
Summary
This summary is machine-generated.

Osteoblasts are key bone cells. This review explores their biology and use in bone tissue engineering, including stem cell and gene therapy research for bone repair.

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Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect
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Distinctive Capillary Action by Micro-channels in Bone-like Templates can Enhance Recruitment of Cells for Restoration of Large Bony Defect

Published on: September 11, 2015

Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Regenerative Medicine

Background:

  • Osteoblasts are crucial for bone development, maintenance, and repair.
  • Skeletal damage from trauma and aging increases demand for bone regeneration strategies.
  • Current bone grafting and implant technologies face limitations, highlighting the need for novel solutions.

Purpose of the Study:

  • To review the fundamental biology of osteoblasts.
  • To explore the application of osteoblasts in bone tissue engineering.
  • To discuss the role of osteoblasts in emerging therapies like stem cell and gene therapy.

Main Methods:

  • Literature review of osteoblast biology.
  • Analysis of current bone tissue engineering techniques.
  • Examination of research on osteoblasts in regenerative medicine.

Main Results:

  • Osteoblasts play a central role in bone matrix formation and mineralization.
  • Bone tissue engineering leverages osteoblast properties for regeneration.
  • Osteoblasts are integral to research in stem cell, gene, and bioactive factor therapies.

Conclusions:

  • Understanding osteoblast biology is essential for advancing bone regeneration.
  • Osteoblast-based strategies show significant promise for treating bone defects.
  • Future research directions include optimizing osteoblast function in engineered constructs and therapies.