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

Radial Artery with Three Roots: Rudimentary Radial Artery: Variant Branch of Median Artery: Variant Branches of the Superior and Inferior Anterior Interosseous Arteries.

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

A: A, Axillary artery; B, brachial artery; J, anterior interosseous artery; M, median (antibrachial, deep) artery; R, three roots of the radial artery: ra, superior root of radial artery from the axillary artery, rm, middle root of radial artery from the median artery (deep), and ri, inferior root of radial artery from the anterior interosseous artery; U, ulnar artery; a, carpal volar artery; b, superficial palmar artery; y, dorsal radial branch of thumb; d, volar radial branch of thumb. a,b,y, and d form the lower root and its continuations.

B: a, Brachial artery, b, rudimentary radial artery; c, median (antibrachial, deep) artery; d, common interosseous artery; e, uInar artery; f, anterior interosseous artery; a, radial recurrent artery; 0, u1nar recurrent artery; y, anomalous branch of median artery; 6, anomalous superior branch of anterior interosseous artery; 6, anomalous inferior branch of anterior interosseous artery. y,6, and F replace the missing part of the rudimentary radial artery.

From Gruber, W Dreiwurzelige Arteria radialis. Arch. Anat. Physiol. Wissen. Med. 1870: 180-188; Rudimentäre Arteria radialis. Ibid. 1870: 189-196.

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