A genetic disorder characterized by congenital localized absence of skin, epidermolysis bullosa, lesions of the mouth mucosa, and dystrophic nails.

(medicine) A syndrome of headaches, characterized by one to three short daily attacks of pain around the eyes, occurring for a month or two, followed by a pain-free period of about a year before resuming; cluster headache.

plural of Marfan syndrome

plural of myelodysplastic syndrome

plural of Ohtahara syndrome

A neuromuscular disorder that occurs when the sciatic nerve is compressed or otherwise irritated by the piriformis muscle, causing pain or numbness in the buttocks and legs.

A neurological disorder involving fatigue, drowsiness, and mood changes, attributed to prolonged periods of motion.

(medicine) A rare genetic disorder which causes multiple defects including mental retardation, hypotonia and cataracts.

childhood disintegrative disorder

A benign inflammation of one or more costal cartilages, differentiated from costochondritis by swelling of the costal cartilages.