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.
1 Secreted by the thyroid gland; decreases blood calcium levels. 2  Secreted by the adrenal cortex; increases blood sugar; secreted in times of stress and has an anti-inflammatory effect. 3  Secreted by the adrenal medulla; increases heart rate and blood pressure and dilates airways.4  Estrogen secreted by the ovaries. Estrogen secreted by the ovaries. 2  Female hormone secreted by the ovaries and to a lesser extent by the adrenal cortex. 3  Follicle-stimulating hormone; secreted by the adenohypophysis; stimulates hormone secretion and egg production.