1 Muscle twitching of one arm and Muscle symptoms (4 causes). 2  Muscle twitching of one arm and Muscle twitching in children (4 causes). 3  Muscle twitching of one arm and Muscle weakness (4 causes). 4  Muscle twitching of one arm and Musculoskeletal symptoms (4 causes).
Parathyroid hormone is secreted by the parathyroid glands and is the most important regulator of calcium levels in the blood and within the bones.Alternative names for parathyroid hormone PTH; parathormone; parathyrin.arathyroid hormone is secreted by the parathyroid glands and is the most important regulator of calcium levels in the blood and within the bones. Alternative names for parathyroid hormone PTH; parathormone; parathyrin.
TSH is a rather simple hormone to understand since it only has one majore function, regulating the thyroid gland. TSH stimulates growth of the thyroid gland and also increases the amount of thyroid hormones secreted into the blood. The major stimulus for TSH secretion is a drop in blood thyroid hormone levels.