howMed Know Yourself
Several non endocrine organs and cells also produce hormones, which are chemical messengers secreted into the blood and bind specific … Read More »
Hypoparathyroidism and Hyperparathyroidism- Disorders of Parathyroid
Hypoparathyroidism: In hypoparathyroidism, calcium reabsorption from the bones is depressed. Metabolic changes include hypocalcemia (6-7 mg/dl), hyperphosphatemia (may be double) … Read More »
Parathyroid Hormones
Four parathyroid glands are normally present, two embedded in the superior pole of the thyroid and two in the inferior … Read More »
Hormones- Mechanism of Action, Regulation and Clearance
Hormones are chemical messengers, directly secreted into the blood or extracellular fluid, which bind specific receptors on target cells, to … Read More »
Hormones of Pituitary Gland
Pituitary is and endocrine gland located within the sella turcica, residing inside the skull. It is about one cm in … Read More »
Hormones of Hypothalamus
All vertebrate brains contain hypothalamus, which in humans, it is roughly the size of an almond and constitutes less than … Read More »
Hypothyroidism and Hyperthyroidism-Disorders of Thyroid Gland
Thyroid gland is the first endocrine gland for known deficiency disorder since 1850. Cretinism is the mental and physical growth … Read More »
Hormones of Thyroid Gland
The thyroid gland produces hormones which regulate different processes and include: Tri-iodothyronine (T3) which is a follicular hormone and constitutes … Read More »
Calcium and Phosphate Homeostasis
Three hormones play significant role in calcium and phosphate homeostasis: 1. Calcitriol (1,25 dihydroxy cholecalciferol) 2. Parathyroid Hormone (PTH) 3. … Read More »
Regulation of Calcium and Phosphate Levels in the Body
Calcium ion concentration in the extra cellular fluid is regulated precisely and even small changes of about 10% are quite … Read More »