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Parathyroid glands are small endocrine glands in the neck of humans and other tetrapods. Humans usually have four parathyroid glands, located on the back of the thyroid gland in variable locations. The parathyroid gland produces and secretes parathyroid hormone in response to low blood calcium, which plays a key role in regulating the amount of ...
Hyperparathyroidism is an increase in parathyroid hormone (PTH) levels in the blood. [1] [4] This occurs from a disorder either within the parathyroid glands (primary hyperparathyroidism) or as response to external stimuli (secondary hyperparathyroidism). [1]
Chief cells in parathyroid adenomas also display acid phosphatase activity. [5] It is a benign tumor of the gland that requires surgical removal. [13] These benign adenomas are typically affect only one or two of the parathyroid glands, known respectively as a single adenoma or double adenoma. Typically, no disease is linked to the cause. [14]
Parathyroid hormone (PTH), also called parathormone or parathyrin, is a peptide hormone secreted by the parathyroid glands that regulates the serum calcium concentration through its effects on bone, kidney, and intestine. [5] PTH influences bone remodeling, which is an ongoing process in which bone tissue is alternately resorbed and rebuilt ...
Gley's glands, Sandstroem's glands, parathyroid gland: in the neck parathyroid hormone: 29 Parietal cell: stomach: hydrochloric acid, intrinsic factor: dynamic canaliculi 30 Parotid gland: mouth: saliva tubulo-alveolar 31 Peyer's patches (or glands) ileum, lymphatic glands Pineal gland: brain: melatonin: 32 Prostate: surrounds the urethra just ...
The parathyroid glands, of which there are 4–6, are found on the back of the thyroid glands, and secrete parathyroid hormone, [2] This causes an increase in blood calcium levels by targeting bone, the intestine, and the kidneys. The parathyroid hormone is the antagonist of calcitonin. Parathyroid hormone release is triggered by falling blood ...
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Hypoparathyroidism is decreased function of the parathyroid glands with underproduction of parathyroid hormone (PTH). This can lead to low levels of calcium in the blood, often causing cramping and twitching of muscles or tetany (involuntary muscle contraction), and several other symptoms. It is a very rare disease.