Endocrine System - Major Endocrine Systems

Major Endocrine Systems

The human endocrine system consists of several systems that operate via feedback loops. Several important feedback systems are mediated via the hypothalamus and pituitary.

  • TRH - TSH - T3/T4
  • GnRH - LH/FSH - sex hormones
  • CRH - ACTH - cortisol
  • Renin - angiotensin - aldosterone

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