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Dural Venous Sinuses
| Question | Answer |
|---|---|
| What dural venous sinus does the superior cerebral veins drain into? | Superior sagittal sinus |
| What dural sinus courses through the fixed part of the falx cerebelli toward the internal occipital protuberance? | Occipital sinus |
| What dural venous sinus does the inferior sagittal sinus drain into? | Straight sinus |
| What dural venous sinuses do the cavernous sinus drain into? | Superior and inferior petrosal sinuses |
| What nerves pass through the cavernous sinus? | CN III, CN IV, ophthalmic nerve (CN V1), and CN VI |
| What dural venous sinus runs in a groove located on the petrous part of the temporal bone? | Superior petrosal sinus |
| What bony structures form the floor of the cavernous sinus? | Greater wing of sphenoid bone |
| What dural venous sinus is located at the junction of the falx cerebri and the tentorium cerebelli? | Straight sinus |
| What dural venous sinus courses along the floor of the posterior cranial fossa as a continuation of the transverse sinus? | Sigmoid sinus |
| What dural venous sinus travels along the base of the tentorium cerebelli and the occipital bone? | Transverse sinus |
| What dural venous sinus forms from the confluence of the inferior sagittal sinus and the great cerebral vein of Galen? | Straight sinus |
| What artery is given off by the internal carotid artery shortly after it emerges from the cavernous sinus? | Ophthalmic artery |
| What artery passes through the cavernous sinus? | Internal carotid artery |
| What veins drain the venous blood from the face into the cavernous sinus? | Superior and inferior ophthalmic veins |
| What is the connecting point of the superior sagittal sinus, straight sinus, transverse sinus, and occipital sinus? | Confluence of sinuses |
| What sinus is formed by the merger of the superior and inferior petrosal sinuses? | Sigmoid sinus |
| What dural venous sinus does the sphenoparietal sinus drain into? | Cavernous sinus |
| Into what structures does the cavernous sinus drain? | Superior and inferior petrosal sinuses |
| What structure is laterally adjacent to the cavernous sinus? | Temporal lobe |
| Which sinuses merge to form the internal jugular vein? | Sigmoid sinus and inferior petrosal sinus |
| What dural venous sinus are both the superior and inferior petrosal sinus drained into? | Sigmoid sinus |
| What nerves may be affected by cavernous sinus thrombosis? | Trochlear nerve, abducens nerve, and maxillary nerve |
| What vein is the sigmoid sinus continuous with? | Internal jugular vein |
| What veins connect the extracranial venous system and the intracranial venous system? | Emissary veins |
| The mastoid emissary veins connect which dural sinus to the mastoid antrum? | Sigmoid sinus |
| What dural venous sinus courses along the free border of the lesser wing of the sphenoid bone? | Sphenoparietal sinus |
| What dural venous sinus extends from the cribriform plate of the ethmoid bone to the tentorium cerebelli? | Inferior sagittal sinus |
| At the level of which structure of the skull is the confluence of sinuses located? | Internal occipital protuberance |
| What dural venous sinus extends from the foramen cecum of the frontal bone to the internal occipital protuberance of the occipital bone? | Superior sagittal sinus |
| Which dural venous sinus is located on either side of the sella turcica? | Cavernous sinus |
| Which dural venous sinus does the superior sagittal sinus drain into? | Transverse sinus |
| The left and right cavernous sinuses communicate by way of which dural venous sinuses? | Anterior and posterior intercavernous sinuses |
| Which dural sinus receives the venous blood from the cerebellum? | Transverse sinus |
| Which dural venous sinus occupies the longitudinal cerebral fissure? | Superior sagittal sinus |
| Which artery can be found within the cavernous sinus? | Internal carotid artery |
| Which bone forms the medial wall of the cavernous sinus? | Sphenoid bone |
Created by:
jofreayala
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