EXS 331 Lab: Temporal bone and landmarks

temporal bone

bone that forms parts of the side of the skull and floor of the cranial activity

squamous part of temporal bone

the flatten part of the temporal bone that forms part of the lateral wall of the cranial cavity

petrous part of temporal bone

raised area on internal surface of cranial vault which encloses structures of middle and inner ear

mastoid process

round projection on the temporal bone behind the ear

mastoid notch

Deep groove on medial aspect of mastoid process

styloid process

pole-like process extending downward from the temporal bone on each side of the skull

stylomastoid foramen

hole between the styloid process and the mastoid process

external acoustic meatus

ear canal

internal acoustic meatus

A passage for CN VIII from the inner ear to the brain.

carotid canal

jugular fossa

deep depression that houses the bulb of the internal jugular vein