Thyroid diseases Health Article

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Definition

The thyroid gland is located in the base of the neck on both sides of the lower part of the voice box (larynx) and upper part of the wind pipe (trachea). The thyroid produces chemicals (hormones) that help the body control metabolism. Thyroid hormone is also produced in response to another hormone secreted by the pituitary gland.

There are four main types of thyroid disease:

  • Hyperthyroidism -- too much thyroid hormone
  • Hypothyroidism -- too little thyroid hormone
  • Benign (non-cancerous) thyroid disease
  • Thyroid cancer

For information about a specific type of thyroid disease see one of the following:

Reviewer Info: Robert Hurd, M.D., Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.; ADAM Health Illustrated Encyclopedia, 10/25/2006
 
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