Radial artery of index finger

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Artery: Radial artery of index finger
Palm of left hand, showing position of skin creases and bones, and surface markings for the volar arches.
Ulnar and radial arteries. Deep view. (Vol. ind. radialis labeled at lower left.)
Latin arteria radialis indicis, arteria volaris indicis radialis
Gray's subject #151 595
Supplies index finger
Source principal artery of thumb
Dorlands/Elsevier a_61/12155654

The radialis indicis artery (radial artery of index finger) is a branch of the radial artery that provides blood to the index finger.

It arises close to the princeps pollicis artery, and descends between the first dorsal interosseous muscle and the transverse head of the adductor pollicis, and runs along the lateral side of the index finger to its extremity, where it anastomoses with the proper digital artery, supplying the medial side of the finger.

At the lower border of the transverse head of the adductor pollicis, this vessel anastomoses with the princeps pollicis, and gives a communicating branch to the superficial palmar arch.

The princeps pollicis and radialis indicis may arise from a common trunk termed the first palmar metacarpal artery.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

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