Gourt > Health > Conditions and Diseases > Cancer > Endocrine > Parathyroid
The parathyroid glands are small endocrine glands in the neck, usually located behind the thyroid gland, which produce parathyroid hormone. In rare cases the parathyroid glands are located within the thyroid glands. Most often there are four parathyroid glands but some people have six or even eight.
Anatomy
The parathyroid glands are four small glands located on the posterior (closer to the back) surface of the thyroid gland. They distinguish themselves from the thyroid gland histologically as they contain two types of cells- parathyroid chief cells and oxyphil cells. Quite easily recognizable from the thyroid as it has densly packed cell as contrasted by the follicle structure of the thyroid.
Physiology
Parathyroid hormone is a small protein that takes part in the control of calcium and phosphorus homeostasis, as well as bone physiology. When blood calcium levels drop below a certain point, calcium-sensing receptors in the parathyroid gland are activated to release hormone into the blood. It then stimulates osteoclasts to break down bone and release calcium into the blood. The sole purpose of the parathyroid glands is to regulate the calcium level in our bodies within a very narrow range so that the nervous and muscular systems can function properly. More on [ Parathyroid gland ]
Head and Neck :: Cancer
Parathyroid Endocrine Disorders
EndocrineWeb: Parathyroid Cancer - Provides information about the condition addressing such topics as symptoms, diagnosis and treatment options.
Meta Description: [ Parathyroid cancer: diagnosis and treatment of parathyroid cancer. Parathyroid cancer information written by parathyroid expert doctors. Over 50 pages of parathyroid information written for parathyroid patients by parathyroid physicians. ]
EndocrineWeb: Parathyroid Surgery - Details a minimally invasive surgical technique which may be appropriate for the excision of certain tumors.
Meta Description: [ New minimal parathyroid operation for requires 25 minutes and local anesthesia to cure parathyroid problems. Multiple parathyroid photos and text describing Minimally Invasive Radioguided Parathyroid Surgery (MIRP). Parathyroid disease and hyper-parathyroid-ism can be cured in 85% as minimal outp... ]
NCI: Parathyroid Cancer - Information resource from the U.S. National Cancer Institute which discusses stages, treatment and recurrence matters.
Meta Description: [ Expert-reviewed information summary about the treatment of parathyroid cancer. ]
Parathyroid Cancer - General information, staging, classification, and treatment options.
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