Podcast
Questions and Answers
What is the structure that lies above the nasal cavity and the two orbits?
What is the structure that lies above the nasal cavity and the two orbits?
- Posterior cranial fossa
- Anterior cranial fossa (correct)
- Frontal bone
- Middle cranial fossa
Which bone forms the floor of the anterior cranial fossa?
Which bone forms the floor of the anterior cranial fossa?
- Frontal bone
- Temporal bone
- Ethmoid bone (correct)
- Sphenoid bone
Which bone presents the crista galli and the orbital plate in the anterior cranial fossa?
Which bone presents the crista galli and the orbital plate in the anterior cranial fossa?
- Frontal bone (correct)
- Ethmoid bone
- Sphenoid bone
- Temporal bone
What is the most probable diagnosis for a patient with severe headache, diplopia, redness, and swelling of one eye, with a history of an inflamed and septic boil in the upper lip?
What is the most probable diagnosis for a patient with severe headache, diplopia, redness, and swelling of one eye, with a history of an inflamed and septic boil in the upper lip?
What is the function of the dural folds in the cranial cavity?
What is the function of the dural folds in the cranial cavity?
Flashcards
Anterior Cranial Fossa
Anterior Cranial Fossa
The structure located above the nasal cavity and orbits in the skull.
Ethmoid Bone
Ethmoid Bone
The bone that primarily forms the floor of the anterior cranial fossa.
Frontal Bone
Frontal Bone
This bone features the crista galli and contributes to the orbital plate within the anterior cranial fossa.
Cavernous Sinus Thrombosis
Cavernous Sinus Thrombosis
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Dural Folds Function
Dural Folds Function
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Study Notes
Skull Structure
- The frontal bone lies above the nasal cavity and the two orbits.
- The frontal bone forms the floor of the anterior cranial fossa.
- The ethmoid bone presents the crista galli and the orbital plate in the anterior cranial fossa.
Clinical Diagnosis
- A patient with severe headache, diplopia, redness, and swelling of one eye, with a history of an inflamed and septic boil in the upper lip, likely has cavernous sinus thrombosis.
Cranial Cavity
- The dural folds in the cranial cavity separate the brain into compartments and support the brain's blood vessels.
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