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Presentation 11 Presentation Transcript

  • 1. THE ENDOCRINESYSTEMBy Sam Choi
  • 2. -dipsia• The suffix “-dipsia” means thirst.• It can be combined with prefixes to indicate a certain condition e.g: polydipsia (excessive thirst)
  • 3. -dipsia• We intake water by drinking liquids and eating solid foods. But the body outputs water in different ways: sweat, urine, skin and lungs, etc.
  • 4. -dipsia• Osmolarity is the tonicity of the body fluids and a small raise in the osmolarity can trigger thirst and the release of ADH (anti diuretic hormone).• The pituitary gland controls thirst and a change in 2-3% of plasma osmolarity can trigger thirst.
  • 5. -crine• “-crine” is a suffix that is related with secretion. It can be combined with other prefixes e.g: endocrine (secretion to the blood stream), exocrine (secretion to the outside).
  • 6. -crine• The exocrine system is composed of: sweat glands, mammary glands, salivary glands, sebaceous glands, prostate gland, pancreas, etc.• Some functions of the exocrine system are: protection, lubrication, n utrition, and digestion.
  • 7. -crine• The endocrine system is composed of several glands: pineal gland, pituitary gland, thyroid gland, adrenal glands, testes, ovaries, e tc.• The function of the endocrine system is to regulate homeostasis of the body and assisting in special occasions (birth, puberty, etc.)
  • 8. -crine• The endocrine system secretes hormones that are released into the bloodstream. These hormones have target organs and they will affect the activity of these organs to regulate homeostasis.