Tips on Coronary circulation

A. Branches of Left coronary artery:


Read as "6 Lads!"

  • Circumflex artery (CX)
  • Left Anterior Descending Artery (LAD)

B. Posterior descending artery:

"Post desc-PIG-IIS"

Read as "Post desk Piggies!"

  • Posterior descending artery runs through PIGs (Posterior interventricular groove) & supplies the IIS (Inferior part of Interventricular Septum).



Limbic system

A. Limbic cortex:


  • Cingulate gyrus
  • Orbitofrontal cortex
  • Parahippocampal gyrus
  • Uncus
  • Subcallosal gyrus


B. Subcortical limbic structures around the hypothalamus:

"Amy-S-AT-Perfectly On-Portions of Basal-Hip"


Arch of the Aorta: Branches


Arch of Aorta gives rise to

  • Brachiocephalic trunk
  • Common carotid artery (left)
  • Subclavian artery (left)

Occasionally thyroidea ima and vertebral aretry may arise from it.





Sphincters of Alimentary Canal


The 5 sphincters found in the Alimentary canal are

  • Anal
  • Pyloric
  • Lower esophageal
  • Oddi
  • Ileocecal valve
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