Parathyroid glands are small endocrine glands in the neck of humans and all tetrapods ,embedded in the posterior surface of the Thyroid glands .[1]
Function
These glands produce parathyroid hormones (PTH). This has an important role in controlling the amount of calcium in blood and bones. Calcium is an important element in our body: it is the only element with its own control system (the parathyroid glands).
Structure
There are two pairs of parathyroid glands, just behind the thyroid glands. Each gland is about 6 mm long and 3–4 mm wide. Parathyroid glands get their blood supply from the inferior thyroid arteries.[2]
References
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