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1. The thyroid gland.
2. The thyroid cartilage.
3. A dried, powdered preparation of the thyroid gland of certain domestic animals, used in treatment of hypothyroid conditions.
4. An artery, vein, nerve, or other part associated with the thyroid gland or thyroid cartilage.

[Greek thureoeidēs : thureos, oblong shield (from thurā, door; see dhwer- in Indo-European roots) + -oeidēs, -oid.]

thy′roid′ adj.
thy·roi′dal adj.


(Anatomy) of or relating to the thyroid gland
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.thyroidal - of or relating to the thyroid gland; "thyroid deficiency"; "thyroidal uptake"
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References in periodicals archive ?
Therefore, the present study was conducted to examine the effects of dietary supplementation of inorganic Se, I, and a combination of both on their concentrations in the serum, the activity of GSH-Px and thyroidal hormones in the serum of Kacang crossbred male goats.
Thyroid transcription factor 1 remained specific to ACA of the lung and thyroidal tissues and displayed negative staining of other tissues.
While studies related to malnutrition, growth retardation, and pubertal development retardation were more frequently reported in pediatric patients with SCD (2), (3), studies in gonadal insufficiency, thyroidal disorders, and bone metabolism were conducted with the adulthood and endocrine organ dysfunctions more frequently reported in SCD patients, especially in studies performed at adulthood (1), (2), (3).
Although low T3 syndrome (also known as non thyroidal illness syndrome and euthyroid sick syndrome) was once considered a beneficial adaptive mechanism under conditions of stress (16), several studies have shown that the syndrome has an adverse prognostic impact in various clinical contexts, ranging from chronic heart failure to acute myocardial infarction (17-19).
The purpose of this study was to determine the basal serum levels of the hypophysial, thyroidal, adrenal, and gonadal hormones in patients with BD and evaluate the correlation between BD and disease activity.
84 [micro]IU/ml and after another twenty days, she developed overt hypothyroidism with relief of local symptoms in the thyroidal region (fT3: 1.
Pregnancy has a profound impact on the thyroid gland and thyroid function by increasing the demand for thyroid hormone production, which can lead to hypothyroidism in women with limited thyroidal reserve or iodine deficiency.
Detection of thyroglobulin in fine needle aspirates of non thyroidal neck masses: a clue to the diagnosis of metastatic differentiated thyroid cancer.
Effect of fluorine on thyroidal iodine metabolism in hyperthyroidism.

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