Vessel
External iliac artery
Becomes the femoral artery
High-yield
Becomes the femoral artery as it passes deep to the inguinal ligament; gives the inferior epigastric artery just above it.
Overview
The larger terminal branch of the common iliac artery that passes under the inguinal ligament to become the femoral artery of the lower limb.
Reference facts
- Type
- Muscular artery
- Origin
- Common iliac artery
- Branches / tributaries
- Inferior epigastric artery; Deep circumflex iliac artery
- Supplies
- Lower limb (as the femoral artery) and lower anterior abdominal wall
- Course
- Runs along the pelvic brim and passes posterior to the inguinal ligament to enter the thigh
Frequently asked questions
Where does the external iliac artery originate?
The external iliac artery arises from the common iliac artery.
What does the external iliac artery supply?
The external iliac artery supplies the lower limb (as the femoral artery) and lower anterior abdominal wall.
What are the branches of the external iliac artery?
Branches of the external iliac artery include the inferior epigastric artery; Deep circumflex iliac artery.
What is the course of the external iliac artery?
Runs along the pelvic brim and passes posterior to the inguinal ligament to enter the thigh.