Medicine & USMLE

Growth Hormone (GH)

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Endocrine & Hormones
  1. Leptin
  2. Ghrelin
  3. Protein Hormones
  4. Steroid Hormones
  5. Insulin
  6. Diabetes
  7. Glucagon
  8. Epinephrine
  9. Cortisol
  10. Thyroid Hormones
  11. Calcitonin
  12. Parathyroid Hormone (PTH)
  13. Anterior Pituitary
  14. Prolactin
  15. Luteinizing Hormone (LH)
  16. Follicle-Stimulating Hormone (FSH)
  17. Growth Hormone (GH)
  18. Posterior Pituitary

Summary

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Key Points

  • Growth Hormone (GH)
    • Type: Peptide
    • Origin: Anterior Pituitary
    • Trigger: Stimulation by GHRH from hypothalamus
      • GHRH = Growth Hormone Releasing Hormone
    • Target: Muscle and Bone
      • GH targets a variety of cells throughout the body. Muscle and bone are two prominent examples.
      • Effect: Stimulates growth
        • Increases:
          • Rate of mitosis
          • Cell size
          • Rate of transcription/translation