a surgical technique of vaginal reconstruction, with the formation of a pouch between the urethra and rectum.
a hereditary condition, caused by a defect (a *deletion) in chromosome 7, marked by a characteristic ‘elfin’ facial appearance (including large eyes, a wide mouth, and small chin), *hypercalcaemia, short stature, learning disabilities, and *aortic stenosis. Most affected children are highly sociable and have unusual conversational ability, using a rich and complex vocabulary. The condition can be diagnosed prenatally. [J. C. P. Williams (20th century), British physician]... williams syndrome
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