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Related Concept Videos

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...
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...

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Related Experiment Video

Updated: May 15, 2026

A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid
09:58

A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid

Published on: January 31, 2012

Complex articular cartilage restoration.

Kai Mithoefer1

  • 1Harvard Vanguard Medical Associates, Harvard Medical School, Boston, MA 02467, USA. kmithoefer@partners.org

Sports Medicine and Arthroscopy Review
|January 15, 2013
PubMed
Summary
This summary is machine-generated.

Articular cartilage injuries in athletes often result from high-impact sports and do not heal naturally. Current treatments aim to restore joint function for continued sports participation, with new tissue engineering methods showing promise.

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Regenerative Medicine

Background:

  • Articular cartilage injuries are common in athletes due to chronic stress and acute trauma from high-impact sports.
  • These injuries fail to heal spontaneously, leading to progressive joint dysfunction and limitations in athletic activities.
  • Untreated cartilage defects can result in long-term joint degeneration and disability.

Purpose of the Study:

  • To review current and emerging treatment strategies for articular cartilage injuries in athletes.
  • To emphasize the need for durable joint surface restoration capable of withstanding athletic joint stresses.
  • To highlight the potential of tissue engineering in addressing these challenging injuries.

Main Methods:

  • Review of established articular cartilage repair techniques.
  • Exploration of novel treatment concepts utilizing tissue engineering.
  • Analysis of treatment efficacy in returning athletes to high-impact sports.

Main Results:

  • Established repair techniques have demonstrated success in enabling athletes to return to high-impact sports.
  • Novel tissue engineering approaches offer potential for improved outcomes in cartilage repair.
  • The demanding nature of athletic joint stresses necessitates robust and long-lasting repair solutions.

Conclusions:

  • Effective treatment of articular cartilage injuries in athletes requires durable joint restoration.
  • Established methods can successfully return athletes to high-impact activities.
  • Tissue engineering presents a promising frontier for advancing the treatment of athletic cartilage injuries.