Test 2: Skull Flashcards
What word refers to the bones that cradle the brain?
Neurocranium
What word refers to the bones of the face that house sensory organs?
Viscerocranium
What are the two parts of the neurocranium?
Chondrocranium (the cartilaginous base of the skull)
Desmocranium (all the outside bones)
How many ossification centers does the frontal bone have?
2
How many features does the frontal bone have?
Can you name them?
8
Glabella
Temporal lines
Temporal fossa
Superciliary arches
Supraorbital margins
Frontal sinuses
Foramen cecum
Supraorbital foramen or notch
What bone is the zygomatic arch mostly made up of?
Temporal bone
Partly zygomatic bone, mostly temporal bone
Does the common carotid go through the foramen lacerum?
No, but you can see the common carotid through this foramen
What bones are both viscerocranium and neurocranium?
Ethmoid bone, sphenoid bone, and temporal bone
What are the distinct cavities of the skull?
Anterior cranial fossa
Middle cranial fossa
Posterior cranial fossa
What does the glabella reside on?
The frontal bone
On which bone will you find the temporal lines?
The frontal bone and parietal bones
What bone houses the temporal fossa?
The frontal bone
What bone houses the superciliary arches?
The frontal bone
On which bone are the supraorbital margins found?
The frontal bone
Where are the frontal sinuses found?
On the frontal bone
On which bone will you find the foramen cecum?
The frontal bone
Where do you find the supraorbital foramen/notch?
Frontal bone
Where is the coronal suture found?
Running coronally and forming the border between the parietal bones and the frontal bone
Where is the sagittal suture found?
On the midline of the skull running posteriorly from the coronal suture, separating the parietal bones
What two bones do the squamous sutures separate?
Temporal and parietal bones
What two bones do the lamboid sutures separate?
Occipital and parietal bones
Where are the penetrant parietal foramina (PF) found?
On the parietal bones near the sagittal suture
Where is the groove for the meningeal artery found?
Inner side of parietal bones