Term Name: alular digit
Synonyms: alula, alula (Aves), digit I of manus, digit I(CII) of manus, wing digit 1 (adult), wing digit 2 (embryonic), wing digit I
Definition: A manual digit found in Aves that is the most preaxial position and is morphologically similar to digit 1 in the standard tetrapod configuration and develops from embryonic digit 2, with contributions from embryonic digit 1.
Ontology: Uberon Ontology [UBERON:0012260]

Relationships
is part of: alular digit plus metapodial segment manus
is a type of: manual digit