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.
OVERVIEW OF ANKYLOSING SPONDYLITIS AND SPONDYLOARTHRITIS. Ankylosing spondylitis (AS) is a chronic inflammatory disease that causes pain in the back, neck, and sometimes hips and heels. The back and neck are made up of a column of individual bones known as vertebrae.