An autoimmune, hypercoagulable state caused by antibodies against cell-membrane phospholipids, leading to blood clots and pregnancy complications.

A chronic multisymptom disorder affecting veterans and civilians after the 1991 Gulf War, possibly related to chemical weapons.

Gulf War syndrome

sirenomelia

(medicine) A rare neurological disorder characterized by progressive rigidity and stiffness, primarily of the axial musculature, resulting in postural deformities.

A rare neurodevelopmental disorder characterized by a distinctive elfin facial appearance, developmental delay coupled with strong language skills, and cardiovascular problems.

(medicine) The physical symptoms of an addict who is withdrawing; withdrawal.

Alternative form of restless legs syndrome

(medicine) A constellation of signs and symptoms that arise from retrograde (reversed) flow of blood in the vertebral artery or the internal thoracic artery, due to a proximal stenosis and/or occlusion of the subclavian artery.

A neurological disorder characterized by an irresistible urge to move one's body to stop uncomfortable or odd sensations, usually in the legs.