INFERIOR EPIGASTRIC ARTERY

 

 

ORIGIN: External iliac artery.

 

COURSE/DISTRIBUTION: Arises from the external iliac artery just before the inguinal ligament and ascends medially along the medial edge of the deep inguinal ring. It reaches the rectus sheath by piercing the transversalis fascia and passing between the rectus abdominis and the posterior wall of rectus sheath. It breaks into several branches that anastomose with the branches of the superior epigastric artery (terminal branch of the internal thoracic artery) coming from above, within the rectus sheath.

 

BRANCHES:

  • Muscular branches
  • Anastomotic branches
  • Cutaneous branches
  • Cremasteric artery, supplies cremaster
  • Pubic branch

 

 

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