A goitre or goiter (Latin gutteria, struma), is a swelling of the thyroid gland, which can lead to a swelling of the neck or larynx (voice box). Goitre is a term that refers to an enlargement of the thyroid (thyromegaly) and can be associated with a thyroid gland that is functioning properly or not.

Worldwide, over 90% cases of goitre are caused by iodine deficiency.

Read more about Goitre:  Signs and Symptoms, Morphology, Causes, Epidemiology, Treatment, History, Heraldry