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Aglossia (aglossia congenita) is a congenital defect resulting in a partial development or complete absence of a tongue.

Aglossiais commonly associated with craniofacial and limb defects (Adactylia syndrome) and is thought to belong to a family of oromandibular limb hypogenesis syndrome or OLHS. It is believed to be caused by heat-induced vascular disruption near the fourth week of embryonic development.

The first known case was reported in the early 18th century by a member of the prominent De Jussieu family in France and cases to this day remain rare.[1]


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