Down syndrome is a genetic condition caused when an unusual cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental changes and physical features of Down syndrome. The term "syndrome" refers to a set of symptoms that tend to happen together. With a syndrome, there is a pattern of differences or problems. The condition is ...
Prader-Willi Syndrome Comprehensive Clinic Overview Prader-Willi syndrome is a genetic condition associated with cognitive and behavioral symptoms, delays in development, chronic hunger, and low levels of growth hormone. Babies with Prader-Willi syndrome may appear "floppy" and have difficulty with feeding, often requiring feeding tubes.
Antiphospholipid syndrome is more common in women than in men. Having another autoimmune condition, such as systemic lupus erythematosus or other connective tissue diseases, increases the risk of antiphospholipid syndrome.
Overview Ehlers-Danlos syndrome is a group of inherited disorders that affect your connective tissues — primarily your skin, joints and blood vessel walls. Connective tissue is a complex mixture of proteins and other substances that provide strength and elasticity to the underlying structures in your body.
Nephrotic syndrome is a kidney disorder that causes your body to pass too much protein in your urine. Nephrotic syndrome is usually caused by damage to the clusters of small blood vessels in your kidneys that filter waste and excess water from your blood. The condition causes swelling, particularly in your feet and ankles, and increases the risk of other health problems.
Marfan syndrome is an inherited disorder that affects connective tissue — the fibers that support and anchor your organs and other structures in your body. Marfan syndrome most commonly affects the heart, eyes, blood vessels and skeleton.