Endocrine system

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Endocrine system

  1. 1. ENDOCRINE SYSTEM
  2. 2. HYPOTHALAMUS
  3. 3. RED- PITUITARYVIOLET-INFUNDIBULUMORANGE-HYPOTHALAMUS
  4. 4. PITUITARY GLAND
  5. 5. PITUITARY GLANDinfundibular stalk (IS); pars nervosa (PN); pars distalis(PD); pars intermediate (PI); and pars tuberalis (PT)
  6. 6. THYMUS
  7. 7. Each lobule of this gland has a darker staining cortex (leftA) and a lighter staining medulla (left B). One outstandingfeature of this organ is the presence of thymicroses/thymic corpuscles (C). This organ, large untiladolescence, is important for the development of theimmune system. The hormone produced by this glandis thymosin.
  8. 8. THYROID GLAND
  9. 9. The lumen (L) of each follicle is surrounded by a simpleepithelium in which the cell height ranges from squamousto low columnar. Also present are large pale-stainingparafollicular or C cells (C).
  10. 10. RED – Folliclewith colloidBLUE – FollicularcellsPINK -Connective tissuesepta
  11. 11. PARATHYROID GLAND
  12. 12. RED - Chief Cells
  13. 13. RED – Oxyphil cells
  14. 14. ADRENAL GLAND
  15. 15. CAPSULEZONA GLOMERULOSAZONA FASCICULATAZONA RETICULARIS MEDULLA CORTEX
  16. 16. CORTEX
  17. 17. MEDULLARED – Cells of themedullaBLUE – Cells of thezona reticularisGREEN –Sympatheticganglion cells
  18. 18. FEMALE REPRODUCTIVE
  19. 19. EGG CELL
  20. 20. EGG CELL
  21. 21. MALE REPRODUCTIVE
  22. 22. Arrows shows the location of the leydig cells
  23. 23. TESTIS1 Lumen of Tubulusseminiferus contortus2 spermatids3 spermatocytes4 spermatogonia5 Sertoli cell6 Myofibroblasts7 Leydig cells8 capillaries
  24. 24. PINEAL GLAND
  25. 25. EPIPHYSIS (PINEAL GLAND) Stained with haematoxylin and eosin1 - pinealocytes2 - pineal sand (salts of calcium, magnesium and silicon
  26. 26. ALIMENTARY
  27. 27. STOMACH
  28. 28. STOMACH
  29. 29. DUODENUM
  30. 30. LIVER
  31. 31. PANCREAS
  32. 32. PANCREAS

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