The endocrine system refers to the cells, glands and organs that secrete hormones directly into the blood in order to control physiological and behavioural activities. The effects of the endocrine ...

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Thyroid nodules are lumps (growths) made up of abnormal cell clusters that develop in the thyroid gland, located at the base of your neck. They can be solid, fluid-filled, or a mixture of both.

These receptors act like docking stations for vitamin D to bind to and trigger different effects in the skin, intestine, bone, parathyroid gland, immune system and pancreas, among others.