Preferred Label : proximal phalanx of manual digit 1;
Uberon definition : A proximal phalanx that is part of a hand digit 1 [Automatically generated definition].;
Uberon synonym : manual digit 1 proximal phalanx; proximal phalanx of manual digit I; first proximal phalanx of hand; thumb proximal; proximal phalanx of thumb; proximal phalanx of first digit of hand; manual phalanx I-1;