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The Pharmacist Answers Podcast

Your health is probably one of the most important things to you.  Yet it can be one of the most complicated things to understand.  Our bodies are meant to work a certain way, but when they don't, we may never be 100% sure why or what to do about it - even after seeing a healthcare professional.

The Pharmacist Answers Podcast is hosted by Cynthia Hendrix, PharmD.  On the Podcast, you can learn the basics of body parts and organ groups, get a glimpse of how disease processes work, and learn some practical steps to take in your own flesh and blood relationships with healthcare providers.

Everyone's health story is different.  No one is truly a "textbook case".  You need someone who sees your uniqueness and help you gain the knowledge and confidence to have conversations, ask questions, and make decisions that are right for YOU!

*The Podcast started out as live conversations on Periscope.

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  2. Episode 62 - Membranes

Episode 62 - Membranes

Sep 12, 2016

Membranes Basics

Meninges are a triple-layer membrane that helps hold your brain in place.

The inside of your skull bones have many boney processes protruding out.  The meninges surround the brain and provide a cushioning layer around it, and anchor to these processes.  This allows the brain to be suspended inside the skull and not touch the top, sides, or bottom.

This setup is partly contributes to concussions.  When the head experiences a large enough impact, the suspended brain crashes into the bone of the skull.

Meninges encase your brain and spinal cord to protect them.

Three layers

  • Dura mater (mah-ter, not may-ter): durable and thick, contains large blood vessels.  This is the layer that anchors directly to the skull bones.  Membrane that divides hemispheres, separates a few lobes, and coats glands near the brain.
  • Arachnoid mater (yes, like spiders): wispy like spider webs - thin & transparent. Directly in contact with Dura mater, but has cellular pillars that connect it to the Pia mater.  The cerebrospinal fluid flows around these pillars. Also overs the outside of the part of the brain as a whole.
  • Pia mater - delicate, contains the capillaries that nourish the brain.  Is in direct contact with brain cells - following all the contours and wrinkles of the brain.

Subarachnoid space - hold cerebrospinal fluid (a closed fluid system that insulates and cushions the brain and spinal cord).  Doesn’t mix with blood or lymph system.

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Music Credits:  “Radio Martini” Kevin MacLeod (incompetech.com)  Licensed under Creative Commons: By Attribution 3.0  http://creativecommons.org/licenses/by/3.0/