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Doctor insights on: Hyposecretion And Hypersecretion Of Thyroid Hormone

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What doesparathyroid have to do with thyroid hormone?

What doesparathyroid have to do with thyroid hormone?

Not much: Aside from their close location, really not much else in common. They do different functions. ...Read more

Dr. Lynne Weixel
1 doctor shared a insight

Hormone (Definition)

A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more


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How is tyrosine related to thyroid hormone?

How is tyrosine related to thyroid hormone?

Thyroid synthesis: Thyroglobulin is a protein in the thyroid. It contains many copies of the amino acid tyrosine. Iodine gets added to the tyrosine, and then this tyrosine gets liberated from the thyroglobulin, released into blood, and this iodinated tyrosine is thyroid hormone. But don't think you can cure hypothyroid by eating tyrosine because the body synthesizes tyrosine quite well. ...Read more

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Why does thyroid hormone cause exophthalmos?

Why does thyroid hormone cause exophthalmos?

Exophthalmos: It does not. Graves disease which is associated with prominent eyes causes antibodies to inflame the surrounding tissues around the eyes. Graves also causes antibodies to stimulate the thyroid causing hyperthyroidism. It is not the high thyroid hormone levels that cause eye prominence. ...Read more

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What is essential for normal synthesis of thyroid hormone?

Thyroid: I would start your search by going online to Yahoo Images and type in Thyroid Hormone. You will find a number of illustrations that should help you. You can also get more details by simply putting in thyroid hormone at the top - mot imaging - and you will find some interesting reading matter. ...Read more

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Doesn't a thyroidectomy reduce thyroid hormone in the body?

Doesn't a thyroidectomy reduce thyroid hormone in the body?

Yes: Depending on how much thyroid tissue is removed, patients may need thyroid hormone replacement after surgery. Sometimes only half of the gland is removed, for example if there is concern a nodule is a cancer. These patients may not need thyroid hormone replacement. Also with goiter sometimes some of thyroid gland is left behind on purpose. More recently the entire gland is frequently removed. ...Read more

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Can you tell me how the body maintain thyroid hormone levels?

H-P-T axis: Hi. It's an interplay in the hypothalamic-pituitary-thyroid (H-P-T) axis. The hypothalamus secretes thyrotropin-releasing factor (TRF), which stimulates the pituitary to release thyroid-stimulating hormone (TSH), which stimulates the thyroid gland to take up iodine, organify, make, and release thyroid hormones (mostly T4, but a little T3 (liothyronine) too). The thyroid hormones feed back to suppress TRF & TSH. ...Read more

Dr. Jeffrey Satinover
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more