What are the main functions of the thyroid gland
How Does the Thyroid Gland Work? For example, T3 and T4 regulate your heart rate and how fast your intestines process food.
Thyroid nodules are extremely common. They may secrete excess hormones, causing hyperthyroidism, or cause no problems.
You and Your Hormones
A rare form of hyperthyroidism in which extremely high thyroid hormone levels cause severe illness. In autoimmune thyroid disease, proteins mistakenly attack the thyroid peroxidase enzyme, which is used by the thyroid to make thyroid hormones. A probe is placed on the skin of the neck, and reflected sound waves can detect abnormal areas of thyroid tissue. A small amount of radioactive iodine is given by mouth to get images of the thyroid gland. Radioactive iodine is concentrated within the thyroid gland.
A small amount of thyroid tissue is removed, usually to look for thyroid cancer.
Thyroid biopsy is typically done with a needle. Thyroid stimulating hormone TSH: Secreted by the brain, TSH regulates thyroid hormone release. A blood test with high TSH indicates low levels of thyroid hormone hypothyroidismand low TSH suggests hyperthyroidism.
Patient Guide to Diabetic Neuropathy Several types of neuropathy nerve damage are caused by diabetes. Learn about these diabetic neuropathies: Explains what nerves are affected in each type of diabetic neuropathy.
Patient Guide to Insulin The purpose of the Patient Guide to Insulin is to educate patients, parents, and caregivers about insulin treatment of diabetes. Patient Guide to Osteoporosis Prevention If you are like many people, you may think that osteoporosis—a condition marked by low bone mineral density, which leads to lowered bone strength and a heightened risk of fractures—is something you will not have to worry about until later in life.
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How Your Thyroid Works
Thyroid Cancer Guide A neck lump or nodule is the most common symptom of thyroid cancer. You may feel a lump, notice one side of your neck appears to be different, or your doctor may find it during a routine examination.
If the tumor is large, it may cause neck or facial pain, shortness of breath, difficulty swallowing, cough unrelated to a cold, hoarseness or voice change. On the other hand, if the level of thyroid hormones in the blood is below normal, the amount of TSH secreted is increased, inducing the secretion of thyroid hormones. This function is known as a "feedback mechanism" and it enables the body to always maintain the level of thyroid hormones in the blood within a specific range.
The location and size of the thyroid gland The thyroid gland is located in the front part of the neck, just below the Adam's apple. What does the thyroid gland do? What are thyroid hormones? The function of the pituitary gland The body has a system to maintain constant levels of thyroid hormones in the blood.
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If TSH is not present at the right levels, too much or too little of either hormone will be made. Our content does not constitute a medical consultation. See a certified medical professional for diagnosis. Looking to lead a stronger, healthier life? Sign up for our Wellness Wire newsletter for all sorts of nutrition, fitness, and wellness wisdom.
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