Anatomical hierarchy
General terms > Osteology > Axial skeleton > Vertebral column > Cervical vertebrae > Atlas > Lateral mass > Transverse process [Atlantal wing] > Alar notch
Translations
The base (cranial part) of each wing of atlas is perforated by the alar foramen (absent in carnivores, replaced by the alar notch) for passage of vertebral artery.