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Parathyroid & Thyroid Glands

Parathyroid & Thyroid Glands. Hannah Chung & Alina Kim HAP 5. Function & Importance of Endocrine System. Function: Regulate the body through hormones . Importance: Respond to signals from the brain and to changes in chemicals in the blood. Parathyroid Gland.

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Parathyroid & Thyroid Glands

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  1. Parathyroid & Thyroid Glands Hannah Chung & Alina Kim HAP 5

  2. Function & Importance of Endocrine System Function: Regulate the body through hormones. Importance: Respond to signals from the brain and to changes in chemicals in the blood.

  3. Parathyroid Gland Measures about 6 mm in length and 3-4 mm in width

  4. Thyroid Gland Normally about the size of two thumbs held together in the shape of “V”

  5. Location Thyroid: side of the trachea; spreads across front of throat; shaped like a butterfly Parathyroid: located on back lobes of thyroid

  6. Thyroid Gland regulates body’s metabolism • Parathyroid regulates the calcium level within the blood and the bones. • Thyroid gland produce T3 and T4 hormoneswhich stimulates body tissues to produce proteins and increase the amount of O2. Role & Function

  7. 3 Hormones Calcitonin Parathyroid hormone (parathyroid) Thyroxine

  8. Calcitonin Function: regulates balance of Calcium (Ca) and Phosphorus (P) in bones and blood; increases amount of calcium bones can accept.

  9. Parathyroid Hormone/ Parathormone (pTH) Function: regulates level of calcium in blood Released in response to decreased calcium levels raises calcium levels Works with calcitonin Animation: Parathyroid Hormone

  10. Thyroxine (T4) Function: stimulates metabolism and oxygen consumption Released in response to TSH Animation: Mechanism of Thyroxine Action

  11. Diseases Hypothyroidism- when one’s thyroid gland doesn’t produce enough of certain major hormones. Causes: autoimmune disease, treatment for hyperthyroidism, and radiation therapy. Symptoms: Fatigue, increased sensitivity to cold, dry skin, puffy face, and elevated blood cholesterol. http://www.ncbi.nlm.nih.gov

  12. Diseases Hyperparathyroidism- an excess of parathyroid hormone in the blood stream from over activity of one or more of four parathyroid glands. Cause: unable to maintain proper levels of both Ca and P. Symptoms: fragile bones (osteoporosis), kidney stones, and loss of appetite. www.zuniv.net

  13. Things you should know… Thyroid can make a person gain weight. Fluoride and soy are not good for thyroid health.

  14. Bibliography "Anatomy of the Thyroid and Parathyroid Glands." National Cancer Institute. N.p., 18 Jan. 2013. Web. 6 Mar. 2013. <http://www.cancer.gov/PublishedContent/MediaLinks/494289.html>. Facts on File, Inc. "Endocrine System." Health Reference Center. N.p., n.d. Web. 6 Mar. 2013. <http://www.fofweb.com/activelink2.asp?ItemID=WE48&SID=5&iPin= EHM1125&SingleRecord=True.>. - - -. "Parathyroid Glands." Health Reference Center. N.p., n.d. Web. 6 Mar. 2013. <http://www.fofweb.com/activelink2.asp?ItemID=WE48&SID=5&iPin= EHM1188&SingleRecord=True.>. - - -. "Thyroid Gland." Health Reference Center. N.p., n.d. Web. 6 Mar. 2013. <http://www.fofweb.com/activelink2.asp?ItemID=WE48&SID=5&iPin= EHM1203&SingleRecord=True.>. Ronzio, Robert. "Endocrine System." The Encyclopedia of Nutrition and Good Health. N.p.: n.p., n.d. N. pag. Health Reference Center. Web. 6 Mar. 2013. <http://www.fofweb.com/activelink2.asp?ItemID=WE48&SID=5&iPin= ENGHS0580&SingleRecord=True.>. Segan, Joseph C., and Josephine Wade. The Patient's Guide to Medical Tests. N.p.: n.p., n.d.Health Reference Center. Web. 6 Mar. 2013. <http://www.fofweb.com/activelink2.asp?ItemID=WE48&SID=5&iPin= PGMT0671&SingleRecord=True.>. Summary of Hormonal Control of Blood Calcium Levels Through Action on Bone. Endocrine System. N.p., 2002. Web. 6 Mar. 2013. <http://instruction.cvhs.okstate.edu/histology/histologyreference/hrendo.htm>.

  15. Concept Check 1) Where are Thyroid and Parathyroid glands located? • Nose • Shoulder • Front of Neck • Umbilical

  16. 2) What is the symptom of one of the disease that affects Thyroid Gland? • Osteoporosis • Low blood pressure • Elevated blood cholesterol • Stomach Pain

  17. 3) What are the names of three hormones a. Parathyroid, Melatonin, Calcitonin b. Calcitonin, Parathyroid, Thyroxine c. Thyroxine, Melatonin, Serotonin d. Dopamine, Glucagon, Calcitonin

  18. Open-ended 4) What are the functions of Thyroid and Parathyroid glands? How do they differ? Thyroid gland regulates body’s metabolism. Parathyroid gland regulates calcium levels within the blood and bones. There’s one thyroid gland as compared to four parathyroid glands.

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