Dural Venous Sinuses — Flashcards

Flashcard 1: _____ sinus opens into the superior meatus

Answer: Posterior ethmoidal

Flashcard 2: Foramen of the skull:Structures passing through the _____ foramen include:Inferior Petrosal sinus+-Meningeal branch of ascending pharyngeal artery, -Cranial nerves IX,X & XI and Sigmoid Sinus that continues as IJV+Meningeal branch of occipital artery as it passes the foramen(from anterior to posterior)

Answer: jugular

Flashcard 3: _____ sinus opens into the sphenoethmoidal recess

Answer: Sphenoid

Flashcard 4: Structures passing through the **Sinus of Morgagni** (gap between skull base and superior constrictor): **P**: _____ **A**: Ascending palatine artery **L**: Levator veli palatini **E**: Eustachian tube

Answer: Palatine branch of ascending pharyngeal artery

Extra: The Sinus of Morgagni is the space between the base of the skull and the upper border of the superior constrictor muscle. Note: The **Tensor veli palatini** does NOT pass through this gap; it is lateral to the superior constrictor. The structures passing through are summarized by the mnemonic **PALE**.

Flashcard 5: _____ sinus, maxillary sinus, anterior ethmoidal sinus open into the middle meatus

Answer: Frontal

Flashcard 6: Each sigmoid sinus exits the skull via the _____ as internal jugular veins

Answer: jugular foramen

Flashcard 7: ID Chamber: _____

Answer: Anterior chamber

Flashcard 8: The structure marked X in the image is the _____ artery.

Answer: middle meningeal

Flashcard 9: The muscle marked as '3' in the image is _____

Answer: superior oblique

Flashcard 10: The marked foramen is _____ and the accessory meningeal artery passes through this structure.

Answer: foramen ovale