part of part of Aves manus manual digit 2 https://upload.wikimedia.org/wikipedia/commons/d/d5/Index_finger.JPG hand digit 2 UBERON:0003622 2nd digit of the manus. second digit of hand second finger hand digit 2 2nd finger SCTID:362758006 NCIT:C52835 EMAPA:17432 fore digit II manual digit II indicis Anurans lack manual digit 1, so manual digit 2 is the digit after the prepollex (Phenotype RCN Oct 2012) index finger FMA:24946 digit 2 of fore-paw UMLS:C0230388 EHDAA2:0000517 This class represents the standard tetrapod configuration. Wagner proposes that avian digits I,II,III develop from C2,C3,C4. To support this scheme we have separate classes representing the avian digits (here called alula, manual digit, major digit). Wikipedia:Index_finger MA:0000455 2nd digit of hand AAO:0010640 finger 2 fore limb digit 2 digit 2 manual digit 2, 3 or 4 manual digit 2 plus metapodial segment