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Related Concept Videos

Bone Structure01:55

Bone Structure

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Within the skeletal system, the structure of a bone, or osseous tissue, can be exemplified in a long bone, like the femur, where there are two types of osseous tissue: cortical and cancellous.
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Bone Remodeling01:40

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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.
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Compact Bone01:27

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Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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The Hyoid Bone01:12

The Hyoid Bone

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The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
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Spongy Bone01:09

Spongy Bone

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All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...
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Updated: Jan 30, 2026

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

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Innovative Biomaterials for Bone Regrowth.

Maria Rosa Iaquinta1, Elisa Mazzoni2, Marco Manfrini3

  • 1Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy. mariarosa.iaquinta@unife.it.

International Journal of Molecular Sciences
|February 3, 2019
PubMed
Summary
This summary is machine-generated.

Regenerative medicine advances, using biomaterials and stem cells, offer promising solutions for bone regeneration. This review explores tissue engineering strategies for repairing damaged bone, addressing the needs of an aging population.

Keywords:
biomaterialbonegrowth factorsregenerative medicinestem cells

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Recent advances in material engineering and stem cell biology have significantly impacted regenerative medicine.
  • The increasing life expectancy highlights the need for effective bone regeneration interventions.
  • Regenerative medicine strategies are crucial for repairing damaged bone and promoting bone regrowth.

Purpose of the Study:

  • To review tissue engineering strategies for bone regeneration.
  • To discuss the role of biomaterials, stem cells, and growth factors in bone repair.
  • To highlight the application of regenerative medicine in addressing age-related bone loss.

Main Methods:

  • Review of current literature on bone tissue engineering.
  • Analysis of biomaterials, stem cells, and bioactive agents for bone regeneration.
  • Exploration of bone cellular biology and molecular genetics.

Main Results:

  • Biomaterials, stem cells, and growth factors are key components in bone regeneration strategies.
  • Tissue engineering offers viable approaches for repairing damaged bone.
  • Effective bone regeneration is critical for an aging population.

Conclusions:

  • Regenerative medicine and tissue engineering hold significant promise for bone repair and regeneration.
  • Optimizing biomaterials, stem cells, and growth factors is essential for efficient bone regrowth.
  • These strategies are vital for improving the quality of life in an aging population.