Congenital Abnormality
lingual thyroid
lin·gual thy·roid
Subclass of:
Thyroid Dysgenesis
Definitions related to lingual thyroid:
  • A condition characterized by the presence of rudimentary THYROID tissue at the base of the TONGUE. It is due to failed embryonic development and migration of thyroid tissue to its normal location. The lingual thyroid usually cannot maintain adequate hormone production thereby resulting in HYPOTHYROIDISM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An aberrant thyroid gland or Ectopic thyroid located at the base of the tongue, just posterior to the foramen cecum as a result of a failure of the thyroid to descend.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
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