Marfan syndrome
US /ˈmɑːrfæn ˌsɪndroʊm/
UK /ˈmɑːrfæn ˌsɪndroʊm/

1.
a genetic disorder that affects the body's connective tissue. Connective tissue provides strength and flexibility to structures such as bones, ligaments, muscles, blood vessels, and heart valves.
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People with Marfan syndrome often have long limbs and are tall and thin.
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Early diagnosis of Marfan syndrome is crucial for managing its potential complications.