Marfanoid (or Marfanoid habitus) is a constellation of signs resembling those of Marfan syndrome, including long limbs, with an arm span that is at least 1.03 of the height of the individual, and a crowded oral maxilla, sometimes with a high arch in the palate, arachnodactyly, and hyperlaxity.
Arachnodactyly (long fingers), long limbs, scoliosis (curved spine), a hidden feature of bony lip growth towards vestibular aqueduct (which can be seen in CT scan reports), and imprecise articulation of speech due to high-arched palate are all considered Marfanoid symptoms.
Hearing may be impaired, either by conductive loss due to hypermobility of ossicles, by inflamed tympanic membrane, or sensorineurally through the vestibular aqueduct.
Other symptoms include crowding of teeth and long or flat feet, often with hammer toes.
Associated conditions include: Medical diagnostic criteria to differentiate Marfanoid habitus from Marfan syndrome:[citation needed]