Calcitonin: Physiology, Pathology, and Clinical Uses

Screenshot 2023 12 12 200358 Calcitonin: Physiology, Pathology, and Clinical Uses

Calcitonin is a 32-amino acid polypeptide hormone primarily involved in calcium and phosphate homeostasis. It is secreted by the parafollicular C cells of the thyroid gland in mammals and serves as a physiological antagonist to parathyroid hormone (PTH). While its role in human calcium metabolism is less dominant compared to PTH and vitamin D, calcitonin … Read more

Thyroid Gland and Parathyroid Gland

Screenshot 2023 12 02 100016 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. 2. Triiodothyronine (T3): A more … Read more