External acoustic meatus (ear canal)
large opening on the lateral side of the skull that is associated with the ear
large opening on the lateral side of the skull that is associated with the ear
External acoustic meatus (ear canal)
Internal acoustic meatus
opening is located inside the cranial cavity, on the medial side of the petrous ridge. It connects to the middle and inner ear cavities of the temporal bone
opening is located inside the cranial cavity, on the medial side of the petrous ridge. It connects to the middle and inner ear cavities of the temporal bone
Internal acoustic meatus
Mandibular fossa
deep, oval-shaped depression located on the external base of the skull, just in front of the external acoustic meatus
deep, oval-shaped depression located on the external base of the skull, just in front of the external acoustic meatus
Mandibular fossa
Articular tubercle
smooth ridge located immediately anterior to the mandibular fossa
smooth ridge located immediately anterior to the mandibular fossa
Articular tubercle
Styloid process
posterior to the mandibular fossa on the external base of the skull is an elongated, downward bony projection called the styloid process, so named because of its resemblance to a stylus (a pen or writing tool)
posterior to the mandibular fossa on the external base of the skull is an elongated, downward bony projection called the styloid process, so named because of its resemblance to a stylus (a pen or writing tool)
Styloid process
Stylomastoid foramen
small opening is located between the styloid process and mastoid process
small opening is located between the styloid process and mastoid process
Stylomastoid foramen
Carotid canal
zig-zag shaped tunnel that provides passage through the base of the skull for one of the major arteries that supplies the brain
zig-zag shaped tunnel that provides passage through the base of the skull for one of the major arteries that supplies the brain
Carotid canal