One of the bones of the upper jaw situated between and in front of the maxillae[VHOG]. [ VHOG:0000426 ]

Synonyms: premaxillae premaxillary

This is just here as a test because I lose it

Term information


uberon_slim, pheno_slim, vertebrate_core

plural term

axiom lost from external ontology

relationship loss: overlaps inter-premaxillary joint (TAO:0001950)[TAO]

relationship loss: overlaps premaxillary-maxillary joint (TAO:0002260)[TAO]

relationship loss: overlaps mesethmoid-premaxillary joint (TAO:0001676)[TAO]

depicted by

editor note

requires checking embryonic vs adult; isa fetal organ part in FMA; adult bone of upper jaw in AAO and ZFA; split. Note that we have loops if we add develops_from UBERON:0005620 primary palate

external definition

One of the bones of the upper jaw situated between and in front of the maxillae. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG]

Paired, intramembranous bones located at the anterior end of the skull; they form the anterior-most segment of the maxillary arch.[AAO]

Dermal bone that forms the anteriormost element of the upper jaw. It articulates with the maxilla posterodorsally and its antimere medially. The premaxilla is paired.[TAO]

has alternative id


has related synonym

incisive bone

premaxillary bone

os incisivum

premaxilla bone

homology notes

(...) in all higher vertebrates a premaxilla is present (...) (reference 1); Although the presence of a tooth-bearing outer buccal arcade (premaxilla, maxilla, dentary) is cited as a common character of Osteichthyes, dipnoans lack all three bones (...) (reference 2).[well established][VHOG]