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  2. Parathyroid gland - Wikipedia

    en.wikipedia.org/wiki/Parathyroid_gland

    The major function of the parathyroid glands is to maintain the body's calcium and phosphate levels within a very narrow range, so that the nervous and muscular systems can function properly. The parathyroid glands do this by secreting parathyroid hormone (PTH). [11] Parathyroid hormone (also known as parathormone) is a small protein that takes ...

  3. Parathyroid hormone - Wikipedia

    en.wikipedia.org/wiki/Parathyroid_hormone

    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 ...

  4. Endocrine gland - Wikipedia

    en.wikipedia.org/wiki/Endocrine_gland

    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 ...

  5. Thyroid - Wikipedia

    en.wikipedia.org/wiki/Thyroid

    However, there is only ever a single thyroid gland in most mammals, and the shape found in humans is common to many other species. [104] In larval lampreys, the thyroid originates as an exocrine gland, secreting its hormones into the gut, and associated with the larva's filter-feeding apparatus. In the adult lamprey, the gland separates from ...

  6. Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Endocrine_system

    In humans, the major endocrine glands are the thyroid, parathyroid, pituitary, pineal, and adrenal glands, and the (male) testis and (female) ovaries. The hypothalamus, pancreas, and thymus also function as endocrine glands, among other functions.

  7. Parathyroid chief cell - Wikipedia

    en.wikipedia.org/wiki/Parathyroid_chief_cell

    The four parathyroid glands are embedded in the thyroid gland. The chief cells of the parathyroid glands sense the amount of calcium in the blood, and release the calcium-increasing hormone parathyroid hormone (PTH) accordingly to correct or maintain normal blood calcium levels. [8]

  8. List of human hormones - Wikipedia

    en.wikipedia.org/wiki/List_of_human_hormones

    The following is a list of hormones found in Humans. Spelling is not uniform for many hormones. Spelling is not uniform for many hormones. For example, current North American and international usage uses [ citation needed ] estrogen and gonadotropin, while British usage retains the Greek digraph in oestrogen and favours the earlier spelling ...

  9. Chief cell - Wikipedia

    en.wikipedia.org/wiki/Chief_cell

    The parathyroid chief cell is the primary cell of the parathyroid gland. It produces and secretes parathyroid hormone in response to low calcium levels. PTH plays an important role in regulating blood calcium levels by raising the amount of calcium in the blood. [7] Parathyroid tissue seems to have a low turn-over rate. [8]

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