Thyroid Dysgenesis |
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| Thyroid Agenesis; Agenesis, Thyroid; Dysgenesis, Thyroid | |
| Defective development of the THYROID GLAND. This concept includes thyroid agenesis (aplasia), hypoplasia, or an ectopic gland (LINGUAL THYROID). Clinical signs usually are those of CONGENITAL HYPOTHYROIDISM. | |