Congenital Abnormality
thyroid dysgenesis
Subclass of:
Congenital Abnormality; Thyroid Diseases
Definitions related to thyroid dysgenesis:
  • A congenital condition characterized by hypoplasia, absence, or ectopic position of the thyroid gland. It is manifested with congenital hypoparathyroidism.
    NCI
    U.S. National Cancer Institute, 2021
  • Defective development of the THYROID GLAND. This concept includes thyroid agenesis (aplasia), hypoplasia, or an ectopic gland. Clinical signs usually are those of CONGENITAL HYPOTHYROIDISM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Thyroid hypoplasia is a form of thyroid dysgenesis (see this term) characterized by incomplete development of the thyroid gland that results in primary congenital hypothyroidism (see this term), a permanent thyroid deficiency that is present from birth.
    NIH Genetic and Rare Diseases
    National Center for Advancing Translational Sciences
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