the follicular epithelial cells of the thyroid.
iodine.
Iodine is required for the correct functioning of the thyroid. Insufficient Iodine in the diet can cause a swelling of the thyroid called a Goiter or Darbyshire Neck.
The medical term meaning a thyroid gland that appears to be functioning within normal parameters is Euthyroid.
The human body cannot function without thyroid hormone, either from a functioning gland, or through supplementation.
Iodine
No, actually euthyroid means a normally functioning thyroid gland; it is a state of normal thyroid gland function. The term hyperthyroid means that the thyroid is overactive, and hypothyroid refers to an under active thyroid.
Iodine is required to produce thyroid hormones.Besides iodine Selenium is also required by the thyroid gland as major co-factors in its function to regulate metabolism.Zinc is required for the production of thyroid hormones.
thyroxine is produced in the Thyroid gland
Colloid in thyroid follicles stores the precursor molecules for thyroid hormones (T3 and T4) which are essential for regulating metabolism, growth and development. It acts as a reservoir from which the thyroid gland can produce and release hormones as needed.
The thyroid gland can cause goiter when it becomes enlarged due to conditions such as iodine deficiency, inflammation (thyroiditis), or overactivity (Graves' disease) or underactivity (hypothyroidism).
Thyroid Gland
The thyroid is a gland which produces hormones. Low thyroid would mean that your thyroid is not functioning as it should. There are a few medicines that you can take to correct the situation.