1. PARATHYROID BY ALLYRILEY & CODYPRICE PERIOD 7

2. WHERE The parathyroid is located in the neck. Located behind the thyroid gland Everyone has four parathyroid glands

3. HORMONES Produces parathyroid hormone (PTH)

4. AFFECTS Parathyroid hormone regulates calcium in your blood and bones. It affects bone tissues, kidney tissues, and intestine tissues It also controls bone density and strength

5. HOMEOSTASIS Without these hormones calcium levels in the body would rise an fall. Calcium is the most important element for the nervous system. Without it our electrical systems won’t work. High calcium levels make you

6. FEEDBACK The parathyroid uses a negative feedback system If calcium get low the hormones is secreted and if calcium is high it is secreted Phosphate and magnesium can also make the hormone be secreted

7. RELEASING AND INHIBITING Releasing If calcium is to low or high (Car) calcium sensory receptor Inhibiting If there is to much PTH then it will stop If calcium levels are correct it will stop

8. DYSFUNCTION Hyperparathyroidism the over release of PTH can cause hypercalcaemia. Hyperparathyroidism video Hypoparathyroidism or to little PTH can cause hypocalcaemia. These occur normally when tumor form in the parathyroid.

9. TREATMENT For hyperkalemia the only option is to surgically remove the dysfunctional parathyroid. The MIRP procedure For hypocalcemia you can take vitamin d and calcium pills.

10. BIBLIOGRAPHY http://www.parathyroid.com/parathyroid-function.htm http://www.yourhormones.info/hormones/parathyroid_hormone.aspx http://www.yourhormones.info/hormones/parathyroid_hormone.aspx Google images