1 Danlos syndromes symptoms and signs are joints that are more flexible than normal and loose skin that stretches away from the body.  The diagnosis of Ehlers-Danlos syndrome is based upon the clinical findings of the patient and the family history.
Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's form or structure through cell growth and differentiation.
The Daoist idea of bianhua (metamorphosis, or change and transformation), that the certainty that the world is in flux leaves open the possibility that things may transform from one type to another (Csikszentmihalyi 2008: 229), can be traced from the Zhuangzi through the Shangqing School.