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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Lateral Sacral Arteries

Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System

Lateral Sacral Arteries

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed

Image of lateral sacral arteries




Type I


Four lateral sacral arteries; S1, S2, S3, S4.

Type II


Three lateral sacral arteries; S1, S2 (S3, S4).

Type III


Two lateral sacral arteries; S1, (S2, S3, S4).

Type IV


One lateral sacral artery; (S1, S2, S3, S4).

Type V


Two lateral sacral arteries; (S1, S2), (S3, S4).

Levi studied 87 subjects and reported 30 had a single lateral sacral artery, 48 had two lateral sacral arteries, and 9 had three lateral sacral arteries. He did not find four lateral sacral arteries.

Levi, 1902 a,b.

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