A proximal phalanx that is part of a autopod digit 4 [Automatically generated definition]. [ http://orcid.org/0000-0002-6601-2165 ]
Synonyms: 4th digit of autopod proximal phalanx digit IV-1 proximal phalanx of 4th digit fourth digit proximal phalanx proximal phalanx of fourth digit of autopod proximal phalanx of fourth digit proximal phalanx of 4th digit of autopod digit IV P1 proximal phalanx of digit IV autopod digit 4 proximal phalanx fourth proximal phalanx of autopod 4th digit proximal phalanx proximal phalanx of ring digit