What is the medical term that is used for an enlargement of the thyroid gland usually caused by low iodine levels?
GOITER – Without adequate iodine, the thyroid progressively enlarges (develops a goiter) as it tries to keep up with demand for thyroid hormone production. Worldwide, iodine deficiency is the most common cause of thyroid enlargement and goiter (see goiter brochure). Within a goiter, nodules can develop.
What is the medical definition of a goiter?
Listen to pronunciation. (GOY-ter) An enlarged thyroid. It may be caused by too little iodine in the diet or by other conditions.
What does Thyromegaly mean?
Thyromegaly is a disorder in which the thyroid gland — the butterfly-shaped gland in the neck — becomes abnormally enlarged. Thyromegaly is more commonly known as a goiter. It’s most often caused by insufficient iodine in the diet, but it can also result from other conditions.
What is the enlargement of a gland called?
The term “swollen glands” refers to enlargement of one or more lymph nodes. The medical name for swollen lymph nodes is lymphadenopathy.
Is hyperthyroidism a goiter?
A goiter can occur in a gland that is producing too much hormone (hyperthyroidism), too little hormone (hypothyroidism), or the correct amount of hormone (euthyroidism). A goiter indicates there is a condition present which is causing the thyroid to grow abnormally.
What is cretinism in biology?
Cretinism refers to severe hypothyroidism in an infant or child. This is classically the result of maternal iodine deficiency, and thankfully is increasingly rare.
What is the medical term for thyroid?
(THY-royd…) A gland located beneath the larynx (voice box) that makes thyroid hormone and calcitonin. The thyroid gland helps regulate growth and metabolism. Also called thyroid.
What does Exophthalmos mean in medical terms?
Exophthalmos, also known as proptosis, is the medical term for bulging or protruding eyeballs. It can affect 1 or both eyes and is most often caused by thyroid eye disease.
What causes an enlarged thyroid gland?
The most common cause of a goiter worldwide is a lack of iodine in the diet. In the United States, where iodized salt is readily available, goiters may be a result of the over- or underproduction of the thyroid hormone or the presence of nodules in the thyroid itself.
What is Hypopituitary?
Endocrine system Hypopituitarism is a rare disorder in which your pituitary gland fails to produce one or more hormones, or doesn’t produce enough hormones. The pituitary gland is a kidney-bean-sized gland situated at the base of your brain.
What causes acromegaly?
Acromegaly happens because your pituitary gland (a pea-sized gland just below the brain) produces too much growth hormone. This is usually caused by a non-cancerous tumour in the pituitary gland called an adenoma.
What causes enlarged thyroid gland?
What is another name for thyroid gland?
The thyroid, or thyroid gland, is an endocrine gland in vertebrates.
What is Blepharedema?
[ blĕf′ər-ĭ-dē′mə ] n. Edema of the eyelids, that produces swelling and often a baggy appearance.
Which are two types of goitre?
Types of goiters
- Colloid goiter (endemic) A colloid goiter develops from the lack of iodine, a mineral essential to the production of thyroid hormones.
- Nontoxic goiter (sporadic) The cause of a nontoxic goiter is usually unknown, though it may be caused by medications like lithium.
- Toxic nodular or multinodular goiter.
What are symptoms of enlarged thyroid?
Dry,pale,and cool skin
What does a slightly enlarged thyroid mean?
Enlarged Thyroid is a n enlargement of the thyroid gland is medically known as goiter. Usually, the thyroid enlarges and expands beyond its normal size causing a noticeable bulge in your neck. Fig 1: Showing a bulging or an enlarged thyroid
Why thyroid gland is larger in female than male?
To compensate for the hormone deficiency, the thyroid gland is stimulated in its growth, forms new gland cells and enlarges. On average, the thyroid gland has a normal volume of up to 18 ml. We speak of an enlarged thyroid gland when its total volume exceeds 25 ml in men and 18 ml in women.
Can an enlarged thyroid be normal?
When a woman is pregnant, it is a normal that there will be a massive hormone production in the thyroid gland, causing it to swell. During pregnancy, the body produces a hormone called human chorionic gonadotropin (HCG), which causes the thyroid gland to swell. 2.