Parathyroid gland

amounts of calcium in the plasma allowing remodeling and growth of the bone. Parathyroid hormones (PTH) are released from the main cells of the parathyroid gland when calcium levels are too low. The PTH also affects osteoblast cells that are contained in the bone. However, binding of PTH to osteoblast inhibiting it resulting in osteoclast cells being indirectly stimulated through the inhibition of bone building. The parathyroid hormone will act upon collagenase enzymes to increase the breakdown…

Five hormones regulate tubular reabsorption and tubular secretion. Angiotensin II has three main methods affecting on renal physiology. First, it decreases GFR by causing vasoconstriction of the afferent arterioles. Second, it enhances reabsorption of Na+, CL-, and water in the proximal convoluted tubule by stimulating the activity of Na+/H+ antiporters. Last, it stimulates the adrenal cortex to release aldosterone, a hormone that in turn stimulates principal cells in the collecting ducts to…

new bone tissue. This promotes healthy bones and can also reshape the bones from injuries like fractures. Osteoblasts secrete new bone tissue while osteoclasts break down the old bone tissues. The body signals the correct amount of growth through parathyroid and growth hormones as well as vitamin D, steroids, and calcitonin. 2. Compare and contrast bone growth and remodeling. • Bone growth is the increase in length in the long bones. Bone growth occurs during childhood and adolescents. This…

Organization (WHO) has announced that the United Kingdom has a nationwide issue of iodine deficiency? Sample: The World as 100 People | Create your own infographics What is Iodine? salt Iodine is a mineral required by our bodies to make our thyroid gland work appropriately. It can typically be…

Case study one – (Explain how the musculo skeletal system structure is suited to the function it performs. (2.1) Mrs C is pregnant and wants to pick up a ball, describe in depth which parts of the musculo skeletal system are involved in this movement and which structural parts provide support and protection of the vital organs. The musculo skeletal system consists of bones of the skeleton, muscles, cartilage, tendons, ligaments and joints, they all work together to provide the body support,…

that are located in the throat region (eg., function and appearance). The thyroid gland is located in the throat next to the trachea. It looks like a small, hard bulb whose function is to regulate metabolism. The parathyroid glands are attached to the backside of the thyroid. They are very tiny and nearly invisible. They regulate the amount of calcium in the blood by releasing the parathyroid glands release parathyroid hormone (PTH). b. Describe three endocrine organs that are located in the…

Calcium levels are kept constant in the blood by parathyroid hormone. The level of calcium in the blood controls the amount of parathyroid hormone that is released by the parathyroid glands. If the level of calcium in the blood decreases, more PTH is secreted. This initiates the removing of calcium from bones to correct the low concentration in the blood. The overuse…

The correct answer is C Osteitis Deformans (also known as Paget’s disease). Paget's is caused by the excessive breakdown and formation of bone, followed by disorganized bone remodeling. This causes affected bone to weaken, resulting in pain, misshapen bones, fractures and arthritis in the joints near the affected bones. An elevated level of alkaline phosphatase in the blood in combination with normal calcium, phosphate, and aminotransferase levels in an elderly patient are suggestive of Paget's…

Hypocalcemia, Infant Hypocalcemia means the calcium level in the blood is low. Calcium is a mineral in the body that is important for the function of: • Heart and muscle. • Cells. • Nerves. • Bone structure. • Blood clotting. There are 2 kinds of hypocalcemia in infants: • Early hypocalcemia happens in the first few days of life. This early type is usually a temporary problem that is easily treated. • Late hypocalcemia shows up after the first few days of life. CAUSES Early…

By Jonas Wilson, Ing. Med. Calcifying Disorders: An Overview Any build up of calcium in body tissue where calcium is usually not found may be considered as calcification. Calcium is predominantly found in our bones and teeth and uses the bloodstream as a means of travelling to these physiological locations. A very small amount of calcium, approximately one percent, is found elsewhere in the body including muscles and the blood itself. When calcium salts are abnormally deposited in unusual…