Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A rare
genetic disorder linked to theX chromosome , causingphysical anomalies anddevelopmental delays, characterised byretardation ,hyperactive behaviour,constipation ,hypotonia , and a characteristic facial appearance.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From the initials of the surnames of two sisters who had five sons with the syndrome.
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