Define interface: a surface forming a common boundary of two bodies, spaces, or phases â interface in a sentence a surface forming a common boundary of two bodies, spaces, or phasesâ¦ See the full definition
Ankylosing Spondylitis (AS) is a type of progressive arthritis that leads to chronic inflammation of the spine and sacroiliac joints. It can also affect other joints and organs in the body, such as the eyes, lungs, kidneys, shoulders, knees, hips, heart, and ankles.
Ankylosing Spondylitis is in a group of diseases called spondyloarthritis or spondyloarthropathy, which include Psoriatic Arthritis (Phil Mickelsonâs arthritis commercials ring a bell?), juvenile spondyloarthropathy, enteropathic arthritis, and reactive arthritis.