The Endocrine System and Hormones

A puzzle to review terms about animal hormones and the human endocrine system.

1 2 3

4

5

6 7 8 9 10

11

12 13 14 15

16

17 18

19

20 21

22 23

24

25 26

27

28

29

30

31

32

33

34 35 36

37

Across

1. The outer portion of adrenal. Secretes corticosteroids.

5. A sex hormone produced by the ovaries when stimulated by LH. Initiates development of a sexually mature woman.

7. This class of hormone is synthesize from a single amino acid. Can be either water or lipid soluble.

8. A sex hormone that helps maintain pregnancies.

13. Hormones that direct and control the activities of other endocrine glands. (2 Words)

16. A lipid-soluble amine hormone that promotes amino acid uptake and protein synthesis.

18. A stress hormone. Also known as adrenaline.

21. Thyrotropin-releasing hormone

22. Luteinizing hormone and follicle-stimulating hormone.

25. The innermost portion of adrenal. Secretes epinephrine and norepinephrine.

26. This class of hormone is water-soluble, large, made of chains of amino acids.

27. Either alpha or beta. Receptors for epi/norepi. (2 Words)

28. A gland made of an anterior and posterior portion found at the bottom of the hypothalamus.

30. Lowers blood calcium levels.

31. Converted from vitamin D. Increases calcium uptake in kidneys and gut.

32. Testosterone is an example of one.

33. A neurohormone that regulates the release of LH and FSH.

34. Found at the base of the brain, the main regulating centre (thermostat) of the body.

35. Also known as calciferol. Produced when sunlight convertes cholesterol in skin cells. (2 Words)

37. The decreasing levels of this hormone triggers metamorphosis in arthropods. (2 Words)

Down

2. Found on top of the trachea in the neck. Make thyroxine, among other hormones.

3. Testes or ovaries.

4. Secretes hormones into the blood.

6. A glucocorticoid found in humans. Increases blood glucose concentration.

9. Stimulates growth of bone and cartilage. Extreme conditions include gigantism or dwarfism. (2 Words)

10. A steroid hormone that regulates molting in insects.

11. Stimulates uterine contractions and flow of breast milk.

12. Hormones secreted by neurons. Often regulates release of other tropic hormones.

14. A stress hormone. Also known as noradrenaline.

15. This class of hormone is lipid-soluble and made of cholesterol.

17. Increases the amount of water conserved by kidneys - concentrates urine. (2 Words)

19. An enlarged thryoid as a result of hyper- or hypo-thyroidisms

20. Found on top of each kidney. A gland within a gland. (2 Words)

23. Found embedded in the thyroid glands.

24. Prothoracicotropic hormone, a peptide hormone that regulates molting in insects.

29. A cell that secretes to the outside of the body or into the gut.

36. Thyroid-stimulating hormone

Use the "Printable HTML" button to get a clean page, in either HTML or PDF, that you can use your browser's print button to print. This page won't have buttons or ads, just your puzzle. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!