Hand Digit 1 Artery

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** An artery that supplies blood to the thumb; either the ulnopalmar, radiopalmar, ulnodorsal, or radiodorsal digital artery to the thumb, or the princeps pollicis artery.

**Synonyms:** - HAND DIGIT 1 ARTERY - Thumb Artery