Related Experiment Video
Updated: Jul 28, 2026

Flow Cytometry Analysis of Immune Cell Subsets within the Murine Spleen, Bone Marrow, Lymph Nodes and Synovial Tissue in an Osteoarthritis Model
Published on: April 24, 2020
The spondyloarthropathies
1Medical College of Wisconsin, St. Joseph's Hospital, Milwaukee, USA.
Abstract:
The spondyloarthropathies represent a heterogeneous group of arthropathies including ankylosing spondylitis, reactive arthritis with Reiter syndrome as one subtype, arthritis associated with inflammatory bowel disease, arthritis associated with psoriasis, and juvenile spondyloarthritis. These conditions are linked by several common features: inflammatory arthritis involving the back, a high prevalence of HLA-B27, frequent tendon/ligament insertion inflammation, and several common extra-articular manifestations (iritis, skin lesions). Although not uncommon, these types of arthritis are more difficult to recognize than other types of arthritis such as osteoarthritis and rheumatoid arthritis.
Related Concept Videos
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
The JAK-STAT Signaling Pathway
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An immobile...
Structural Joints: Cartilaginous Joints
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary or...
Rheumatic Heart Disease I: Introduction
Degenerative Disc Disease ll: Pathophysiology

