Hyperthyroxinemia
Encyclopedia
Hyperthyroxinemia or hyperthyroxinaemia is a thyroid disease
where the serum levels of thyroxine
are higher than expected.
The term is sometimes used to refer to hyperthyroidism
, but hyperthyroidism is a more general term.
Types include:
Thyroid disease
-Hyper- and hypofunction:Imbalance in production of thyroid hormones arises from dysfunction of the thyroid gland itself, the pituitary gland, which produces thyroid-stimulating hormone , or the hypothalamus, which regulates the pituitary gland via thyrotropin-releasing hormone . Concentrations of...
where the serum levels of thyroxine
Thyroxine
Thyroxine, or 3,5,3',5'-tetraiodothyronine , a form of thyroid hormones, is the major hormone secreted by the follicular cells of the thyroid gland.-Synthesis and regulation:...
are higher than expected.
The term is sometimes used to refer to hyperthyroidism
Hyperthyroidism
Hyperthyroidism is the term for overactive tissue within the thyroid gland causing an overproduction of thyroid hormones . Hyperthyroidism is thus a cause of thyrotoxicosis, the clinical condition of increased thyroid hormones in the blood. Hyperthyroidism and thyrotoxicosis are not synonymous...
, but hyperthyroidism is a more general term.
Types include:
- Familial dysalbuminemic hyperthyroxinemiaFamilial dysalbuminemic hyperthyroxinemiaFamilial dysalbuminemic hyperthyroxinemia is a type of hyperthyroxinemia associated with mutations in the human serum albumin gene.The term was introduced in 1982....
- Familial euthyroid hyperthyroxinemia
- Thyroid hormone resistance syndrome