Quiz 3 - Skull and Sutures Flashcards
cranial bones
occipital frontal parietal x2 temporal x2 sphenoid ethmoid
parts of occipital bone
foramen maganum
occipital condyles
parts of frontal bone
frontal sinuses
parts of temporal bone
petrous portion squamous portion mandibular fossa zygomatic process mastoid process styloid process external acoustic meatus
parts of sphenoid bone
sella turcica
sphenoid sinuses
parts of ethmoid bone
perpendicular plate cribriform plate superior nasal conchae middle nasal conchae ethmoidal sinuses
sutures
immovable joints between skull bones formed from fontanels (fibrous connective tissue membrane-filled spaces in the fetus)
four sutures
coronal
sagittal
lambdoid
squamous
cranial bones
surrounds and protects the brain
frontal sinuses
air-filled chambers that open into the nasal cavities
temporal bone
articulates with mandible, protects sense organs of inner ear
petrous portion
“peaks”, surrounds and protects ear organs
squamous portion
smooth, flat surface
mandibular fossa
forms temporal mandibular joint
zygomatic process
forms zygomatic arch (cheek bone)