NCIt related terms : underactive thyroid; Hypothyroid; Hypothyroidism, unspecified;
NCIt definition : Abnormally low levels of thyroid hormone.;
Alternative definition : NICHD: Reduced secretion of thyroid hormone(s) by the thyroid gland.; NCI-GLOSS: Too little thyroid hormone. Symptoms include weight gain, constipation,
dry skin, and sensitivity to the cold.; CTCAE: A disorder characterized by a decrease in production of thyroid hormone by
the thyroid gland.;
Codes from synonyms : CDR0000520362; E10334; CDR0000044547; E03.9; 4860;