Marie Struempell Disease, also known as ankylosing spondylitis, is a chronic inflammatory condition that primarily affects the joints of the spine and sacroiliac joints. This condition leads to pain, stiffness, and limited mobility, often starting in the lower back and gradually progressing upward. Synonyms for Marie Struempell Disease include rheumatoid spondylitis, spinal arthritis, and bamboo spine disease. The term "rheumatoid spondylitis" highlights the autoimmune aspect of the disease, while "spinal arthritis" emphasizes its impact on the spine. The phrase "bamboo spine disease" is derived from the characteristic appearance of the fused spinal vertebrae, resembling a bamboo stalk. Although these synonyms are commonly used, it's important to note that the medical community widely recognizes the official term - ankylosing spondylitis - to avoid confusion.