Preferred Label : quadratojugal bone;
Uberon 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).;
Uberon synonym : quadratojugal;
Uberon related term : quadrato-jugals; quadrato-maxillare; tympano maleaux; quadratojugale; quadratjochbeine;
Origin ID : 0011267;
has part
- part of
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).
