A collection of clinical features including tall stature, long limbs (with an increased limb length to body height ratio), overcrowded dentition with a high-arched palate, arachnodactyly (long, slender fingers), and joint hypermobility. Marfanoid habitus can be seen in Ehlers-Danlos syndrome, multiple endocrine neoplasia type 2b, Marfan syndrome, and homocystinuria.