princeps pollicis
noun
prin·ceps pol·li·cis
ˈprin-ˌseps-ˈpäl-ə-səs 
: a branch of the radial artery that passes along the ulnar side of the first metacarpal and divides into branches running along the palmar side of the thumb
Cite this Entry
“Princeps pollicis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/princeps%20pollicis. Accessed 16 Jun. 2025.
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