There are three muscles located in the anterior compartment of the upper arm â biceps brachii, coracobrachialis and brachialis. They are all innervated by the musculocutaneous nerve. A good memory aid for this is BBC â biceps, brachialis, coracobrachialis.
Calcitonin is a hormone secreted by the thyroid gland that reduces the concentration of blood calcium level when it has risen to an above normal level. This polypeptide hormone is made up of 32 amino acids and is produced mainly by the parafollicular cells (also known as C cells) of the thyroid gland.
trigger the release of PTH. The PTH, in turn, would stimulate osteoclasts to release enough calcium from the bones to maintain proper calcium levels in the blood. Levels of calcitonin would probably decrease, because this hormone lowers blood calcium levels and would aggravate the situation caused by the vitamin D3 deficiency. You would expect to see