Term
| neurocranial and visceral cranial |
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Definition
| neurocranial is the head skull, visceral cranial is the facial skull |
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Term
Intermembranous
endochondal
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Definition
intermembranous-->connective sheath
endochondral-->template made of cartilage
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Term
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Definition
Bone-cartilage-bone (more flexibility than bone but restricted)- suture
Cartilaginous joints between ossification centers. |
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Term
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Definition
- visverocranium: maxilla and mandible
- intramembranous bone of the neurocanium
- endochondral bone of neurocranium
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Term
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Definition
early closure of suture. Brain will grow in area that it can grow (where suture is not yet closed)
early closure of coronal suture will cause parietal plate to grow superiorly. |
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Term
type of craniosynostosis
Turricephaly or oxycephaly |
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Definition
| towered skull-due to early fusion of coronal suture. anteroposterior growths is limited. |
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Term
type of craniosynostosis
Scaphocephaly |
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Definition
close off of sagital suture/ brain expand anteriorly/posteriorly (transverse expansion is closed off)
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Term
type of craniosynostosis
plagiocephaly |
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Definition
| closing is not happening at the same time. half of coronal suture fused while the other has not. |
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Term
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Definition
has two layers:
meningeal layer continues with spinal core. periosteal layer close to bone continues with periosteum outside. |
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Term
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Definition
| seperate the right cebreal hemisphere from the left. |
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Term
| venous sinuses of the skull |
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Definition
| vein runs inside dura matter, drain blood out of the brain into internal jugular vein |
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Term
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Definition
cerebral vein leaks between dura and arachnoid (blood accumulate below ura mater and above arachanoid)
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Term
| epidural (extradural) hematoma |
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Definition
| blood from ruptured meningeal artery accumulates between endocranial layer of dura and bone. can quickly compress brain |
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Term
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Definition
| Bleeding of cerebral ateries into subarachanoid space. caused by aneurysm, can be detected in CSF, hard to see in CT. |
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Term
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Definition
| Le Fort I fracture: comes from the base of maxilla. |
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Term
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Definition
| Le fort II fracture: exploiting frontal nasal sulture. fracture along frontal nasal suture. |
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Term
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Definition
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