(Chapter 27) Footnote 44:

The symptoms resemble those of Marfan’s Syndrome, an inherited disorder characterized by ocular and skeletal abnormalities (spidery fingers and toes, or arachnodactyly), hypermobility of joints, redundant ligaments and joint capsules, abnormally long, thin extremities (dolichostenomelia), defects of the spine and chest, and cardiovascular abnormalities.