Tag: Anesthesia
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Thecal Sac or Dural Sac
The thecal sac or dural sac is the membranous sheath (theca) or tube of dura mater that surrounds the spinal cord and the cauda equina. The thecal sac contains the cerebrospinal fluid which provides nutrients and buoyancy to the spinal cord.[1] From the skull the tube adheres to bone at the foramen magnum and extends down to the second sacral vertebra where it tapers to cover over the filum terminale. Along most of the spinal canal it is separated…
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magical poop paper and the tree it rode in on
Welcome to the fascinating world of fecal forensics! Let’s dive into the delightfully disgusting details of the guaiac fecal occult blood test (gFOBT), a colorful adventure in colon cancer screening! Imagine a special paper that can detect invisible blood in your stool. That’s the gFOBT! Magic Resin It uses guaiac, a compound extracted from Guaiacum…