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Cranium Anatomy 1
Cranium Anatomy part 1 (RAD 125)
| Question | Answer |
|---|---|
| All bones in the head | Skull |
| Bones that house and protect the brain | Cranium |
| The skull has ____ bones | 22 |
| The cranium has _____ bones | 8 |
| The face has ______ bones | 14 |
| Top portion of the cranium, 4 bones | Calvaria |
| Bottom portion of the cranium, 4 bones | Floor |
| Inner layer of spongy bone separating two outer plates of compact bone | Diploë |
| Bones of the Floor | Sphenoid |
| Bones of the Floor | Ethmoid |
| Bones of the Floor | Temporal (Right & Left) |
| Bones of the Calvaria | Frontal |
| Bones of the Calvaria | Occipital |
| Bones of the Calvaria | Parietal (Right & Left) |
| Sutures are | Synarthrotic Fibrous Joints |
| What suture is located between frontal and parietal bones? | Coronal Suture |
| What suture is located between the parietal bones on top of the head? | Sagittal Suture |
| What suture is located between parietal and occipital bones? | Lambdoidal Suture |
| What suture is located between parietal and temporal bones? | Squamosal Suture |
| What is the junction of the coronal and sagittal sutures? | Bregma |
| What is the junction of the of the lambdoidal and sagittal sutures? | Lambda |
| What is the junction of the squamosal suture, parietal bone and sphenoid bone (greater wing)? | Pterion |
| What is the junction of the parietal bone, occipital bone and temporal bone? | Asterion |
| Areas of incomplete ossification | Fontanels |
| Bregma is the | Anterior Fontanel |
| Lambda is the | Posterior Fontanel |
| Pterion is the | Sphenoidal Fontanel |
| Asterion is the | Mastoid Fontanel |
| _________ have a convex external surface and concave internal surface and are somewhat square | Parietal Bones |
| Prominent bulge near center of external surface of each bone (This is the point where the width of the skull should be measured to set technique) | Parietal Eminence |