Articular Surfaces
Articular Surfaces - Related Videos
08:30
Intra-articular Shoulder Injection for Reduction Following Shoulder Dislocation
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2023
Source: Rachel Liu, BAO, MBBCh, Emergency Medicine, Yale School of Medicine, New Haven, Connecticut, USA The anterior shoulder dislocation is one of the most common joint dislocations seen in emergency settings. In anterior shoulder dislocation, the humeral head is displaced out of the glenohumeral joint in front of the scapular glenoid, resulting in a loss of the articulation between the arm and the rest of the shoulder. This can be caused by a fall onto an abducted, extended, and externally...
09:58
A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid
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Cited by 9 •
2012
A 3D system of culturing human articular chondrocytes in high levels of synovial fluid is described. Synovial fluid reflects the most natural microenvironment for articular cartilage, and can be easily obtained and stored. This system thus can be used for studying cartilage regeneration and for screening therapeutics for treating arthritis.
12:37
3D Hydrogel Scaffolds for Articular Chondrocyte Culture and Cartilage Generation
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Cited by 38 •
2015
Cartilage repair represents an unmet medical challenge and cell-based approaches to engineer human articular cartilage are a promising solution. Here, we describe three-dimensional (3D) biomimetic hydrogels as an ideal tool for the expansion and maturation of human articular chondrocytes.
04:25
Harvesting Articular Cartilage From Joints of an Equine Donor: A Surgical Procedure to Isolate Vascular Connective Tissue From Cadaveric Joints of an Equine Donor
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2025
In this video, we demonstrate the extraction of articular cartilage from an equine cadaveric joint. The isolated articular cartilage can be used for further downstream analysis.
09:08
Biotribological Testing and Analysis of Articular Cartilage Sliding against Metal for Implants
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2020
This protocol describes the preparation, biotribological testing, and analysis of osteochondral cylinders sliding against metal implant material. Outcome measures included in this protocol are metabolic activity, gene expression and histology.
FAQs
Surface geometry helps determine how opposing bones contact one another during movement, while the covering influences how forces are distributed at that contact. These features therefore connect joint anatomy with motion and stability rather than acting as isolated structural details. In biology, analyzing this relationship helps explain why particular joint regions are important when studying normal function or mechanical wear.
Hyaline cartilage and synovial fluid contribute differently to joint performance. Cartilage provides the smooth load-bearing interface and helps spread forces, whereas synovial fluid lubricates the contact and supports cartilage nutrition. Considering both components together is important because surface behavior depends not only on bone shape, but also on the tissues and fluid associated with the joint.
Articular surfaces are relevant to osteoarthritis research because cartilage damage can alter the normally smooth contact environment and can be examined alongside changes in joint motion, stability, and wear. This perspective allows investigators to connect a structural feature with a disease-related outcome. It also supports comparisons between healthy surface organization and damage affecting cartilage-covered regions.
Examining surface shape and examining the covering answer different biological questions. Shape helps relate the opposing regions to movement and stability, while the cartilage layer is central to friction reduction and load spreading. Synovial fluid adds lubrication and nutritional support. Separating these roles helps researchers interpret whether a finding concerns geometry, tissue performance, or both.
An investigation can organize observations around three linked features: the geometry of the opposing surfaces, the hyaline cartilage covering, and the synovial fluid at the joint. Researchers can then relate those features to motion, stability, load distribution, lubrication, and cartilage nutrition. This framework keeps structural observations connected to functional outcomes rather than treating anatomy as purely descriptive.
Imaging is useful when researchers need to examine articular surfaces without limiting analysis to isolated bone shape. In the broader study of joints, imaging can support evaluation of surface structure and its relationship to motion, stability, wear, or cartilage damage. Its relevance extends from anatomical biology to clinical investigation of conditions such as osteoarthritis.
Prosthesis design benefits from understanding how natural articular surfaces manage contact, friction, and load. Knowledge of surface shape, cartilage-associated function, and synovial lubrication provides biological context for considering how an artificial joint should support controlled movement. This application links anatomical research with engineering decisions while keeping normal joint performance as the reference point.