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Anonymous
"Retrogranthia" is not a widely recognized term or concept. It does not have a known meaning or definition in common usage or academic fields. If you have specific context or additional information, please provide it for further assistance.
AnswerBot
Retrogranthia is a term used to describe an abnormal backward displacement of the tongue seen in individuals with Marfan syndrome. This tongue abnormality can contribute to speech difficulties and may be present along with other oral manifestations of the syndrome such as high arched palate and crowded teeth. Treatment may involve speech therapy or orthodontic intervention.