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Questions and Answers
Which layer of meninges is composed of two layers closely adherent to each other?
Which layer of meninges is composed of two layers closely adherent to each other?
- Arachnoid mater
- Falx cerebri
- Dura mater (correct)
- Pia mater
Which sinus is related to the attachment of the falx cerebri with the tentorium cerebelli?
Which sinus is related to the attachment of the falx cerebri with the tentorium cerebelli?
- Transverse sinus
- Superior sagittal sinus
- Straight sinus (correct)
- Inferior sagittal sinus
What is the attachment of the falx cerebri to the crista galli of the ethmoid bone and frontal crest of frontal bone?
What is the attachment of the falx cerebri to the crista galli of the ethmoid bone and frontal crest of frontal bone?
- Inferior border
- Posterior border
- Anterior border (correct)
- Superior border
Where does the dura mater line in the cranial cavity to protect the brain from shock and friction?
Where does the dura mater line in the cranial cavity to protect the brain from shock and friction?
Flashcards
Dura mater layers
Dura mater layers
The dura mater, the outermost meningeal layer, is comprised of two closely adhered layers.
Straight sinus location
Straight sinus location
The straight sinus is located where the falx cerebri, a dural fold, attaches to the tentorium cerebelli, another dural fold.
Falx cerebri attachment
Falx cerebri attachment
The falx cerebri, a dural fold separating the cerebral hemispheres, attaches to the crista galli of the ethmoid bone and the frontal crest of the frontal bone at its anterior border.
Dura mater lining
Dura mater lining
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Study Notes
Meninges and Sinuses
- The archanoid mater and pia mater are the two layers of meninges that are closely adherent to each other.
Sinuses and Falx Cerebri
- The straight sinus is related to the attachment of the falx cerebri with the tentorium cerebelli.
Attachment of Falx Cerebri
- The falx cerebri is attached to the crista galli of the ethmoid bone and frontal crest of frontal bone.
Function of Dura Mater
- Dura mater lines the cranial cavity to protect the brain from shock and friction.
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