Psoriatic Arthritis Explained
Posted: Thu Mar 10, 2011 11:58 pm
Joints normally function to allow movement to occur between bone ends, which are important for the body to move. Bone ends are covered with cartilage around which is a capsule lined by a membrane called synovium.
This membrane normally makes the fluid that lubricates the joint space allowing movement. In arthritis the synovial membrane becomes inflamed - and releases substances that cause inflammation.
The inflamed synovium releases more fluid than normal and so the joint becomes tender and swollen. Persistent inflammation may lead to damage to the cartilage and erosion of the underlying bone.
Synovial membrane also lines and lubricates tendons and so they become inflamed too.
Lots more info and photos here: http://psoriasisclub.forumotion.org/t10 ... asis#12379
This membrane normally makes the fluid that lubricates the joint space allowing movement. In arthritis the synovial membrane becomes inflamed - and releases substances that cause inflammation.
The inflamed synovium releases more fluid than normal and so the joint becomes tender and swollen. Persistent inflammation may lead to damage to the cartilage and erosion of the underlying bone.
Synovial membrane also lines and lubricates tendons and so they become inflamed too.
Lots more info and photos here: http://psoriasisclub.forumotion.org/t10 ... asis#12379