Vitamin D is a vital fat-soluble nutrient for regulating calcium and phosphorus metabolism. It includes forms like D2 (from plant sources) and D3 (synthesized in the skin and found in animal-based foods). Its primary role is aiding the absorption of calcium and phosphorus in the intestines, which are vital for …
DeepakRajput 
Parathyroid Hormone (PTH): Physiology, Pathology, and Clinical Uses
Parathyroid hormone (PTH) is a critical hormone that regulates calcium and phosphate levels in the body. It is produced and secreted by the parathyroid glands, four small pea-sized glands on the thyroid gland. PTH plays a central role in maintaining calcium homeostasis through its effects on bone, kidneys, and the …
Thyroid Gland and Parathyroid Gland
•The thyroid gland is a butterfly-shaped endocrine gland in the neck, just below the larynx (voice box). It produces hormones essential for regulating metabolism and influencing various physiological processes. Hormones Produced by the Thyroid Gland 1. Thyroxine (T4): The primary thyroid hormone that influences metabolism, energy production, and body temperature. …
