M. protractor pterygoidei et quadrati
Encyclopedia
The M. protractor pterygoidei et quadrati is a cranial
muscle which pulls the streptostylic quadrate dorsorostrally in bird
s.
Skull
The skull is a bony structure in the head of many animals that supports the structures of the face and forms a cavity for the brain.The skull is composed of two parts: the cranium and the mandible. A skull without a mandible is only a cranium. Animals that have skulls are called craniates...
muscle which pulls the streptostylic quadrate dorsorostrally in bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
s.