MCAT Basics Podcast

Common Hormone Axes

This MCAT Basics podcast covers three common hormone axes. I break down the hypothalamic-pituitary-adrenal (HPA) axis, the hypothalamic-pituitary-gonadal (HPG) axis, and the renin angiotensin-aldosterone System (RAAS) axis. I explain the anatomy of the regions, organs, and hormones involved, and detail the physiology within each axis.

  • [01:27] Defining a Hormone Axis
  • [02:18] The HPA Axis
  • [02:33] The Anatomy of the Hypothalamus
  • [03:46] The Anatomy of the Pituitary Gland
  • [05:16] The Anatomy of the Adrenal Glands
  • [06:50] The Physiology of the HPA Axis
  • [16:06] The HPG Axis
  • [16:38] The Anatomy of the Gonads
  • [19:21] The Physiology of the HPG Axis
  • [26:27] The Renin-Angiotensin-Aldosterone System

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Thanks for listening!

Sam Smith

Sam completed his Bachelors of Science in Chemical and Biological Engineering at the University of Colorado Boulder. Following his graduation, he worked at the National Institutes of Health Vaccine Research Center studying HIV. Meanwhile, with a microphone in his garage, Sam founded the MCAT Basics podcast. The podcast has grown to become the top rated MCAT podcast on iTunes. In addition to podcasting, Sam enjoys the outdoors, sports, and his friends and family.

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