Term Name: quadratojugal bone
Synonyms: quadratjochbeine, quadrato-jugals, quadrato-maxillare, quadratojugal, quadratojugale, tympano maleaux
Definition: The quadratojugal is a small jaw bone that is present in most amphibians, reptiles, and birds, but has been lost in mammals. It is connected to the jugal as well as other bones, though these may vary with species. The quadratojugal bone is a small bone between the cheek and otic notch (Lecointre 380). Squamates (lizards and snakes) lack a quadratojugal bone (Schwenk 193).
Ontology: Uberon Ontology [UBERON:0011267]

Relationships
is part of: dermatocranium skeleton of upper jaw
has parts: flange of quadratojugal pars glenoidalis of quadratojugal pars jugalis
is a type of: bone of upper jaw dermal bone intramembranous bone