Skull Flashcards
Skull
cranium+mandible
2 parts of the cranium
neurocranium
viscerocranium
Neurocranium
the bony covering of the brain and its meninges
contains proximal parts of cranial nerves and vasculature of the brain
Calvarium
skull cap
Basicranium
cranial base
8 bones united by sutures
frontal
ethmoid
sphenoid
occipital
parietals
temporals
Viscerocranium
bones of the facial skeleton
forms the anterior part of the cranium
consists of bones that surround the mouth, nose, and most of the orbits
15 bones of the viserocranium
mandible
ethmoid
vomer
maxillae
inferior nasal conchae
zygomatics
palatines
nasals
lacrimals
Frontal bone
forms the forehead, roofs of the orbits, superciliary arches superior to the orbital apertures
contains frontal paranasal sinuses
Parietal bones
form the superior and lateral parts of the skull
coronal suture
runs in the coronal plane
located anteriorly where the parietal bone meets the frontal bone
Squamous suture
occurs where each parietal bone meets a temporal bone inferiorly
Sagittal suture
occurs where the right and left parietal bones meet superiorly in the midline of the
Lambdoid suture
occurs where the parietal bones meet
Sutural bones
small bones that occur within sutures