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26 Cards in this Set
- Front
- Back
Label the three different regions of the cranial fossa.
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a
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Name
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1. Frontal bone-orbital plate
2. Jugum 3. Ethmoid bode-cribiform plate 4. Sphenoid bone-lesser wings. |
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What does 1 and 3 serve to anchor?
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1. Frontal crest
2. Crista galli 3. Foramen cecum (blind ended, like cul du sac) 1 and 3 serve as anchor for Falx Cerebri |
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Name the three divisions of the middle cranial fossa
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(Mid to lateral)
1. Spenoid 2. Temporal 3. Parietal |
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What does 5 serve as an attachment for?
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1. Sellae Turcica
2. Tuberculum Sellae 3. Hypophyseal Fossa 4. Durum Sallae 5. Anterior Clinoid 6. Lesser Wing 7. Greater Wing The anterior clinoid is an attachment for the Diaphragma sellae |
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What artery passes through the optical canal?
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Opthalmic artery
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What passes through the Superior Orbital Fissure? (5 structure)
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1. Occulomoter n (CNIII)
2. Trochlear n (CNIV) 3. Abducent n (CNVI) 4. Opthlamic n (CNV1) 5. Opthalmic vein |
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What passes through this?
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Foramen Rotundum
Maxillary n (CNV2) passes through it. |
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What is this and what does it connect?
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The inverior orbital fissure - connects orbit and pterygopalatine fossa.
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What is this and what passes through it?
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Foramen Ovale - Madibular N (CNV3) passes through.
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What is this and what passes through (2)
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Foramen Spinosum - Middle meningeal artery and vein pass through
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Red?
Yellow? |
Red = Carotid Canal
Yellow = Foramen Lacerum |
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What is the wire in?
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carotid canal
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Name the parts of the posterior cranial fossa
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1. Sphenoid
2. Temporal (mastoid part) 3. Occipital 4. Parietal |
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What is this and what passes through (two nerves and two vessels)
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This is the Internal Acoustic Meatus - Facial nerve and Vestibulocochlear nn passes through. So does Labyrinthine a and v also pass through.
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What is this and what passes through? (3 nerves and 3 vessels)
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The Jugular Foramen - CNsIX, X, and XI passes through. Meningeal aa., sigmoid sinus, and inferior petrosal sinus also pass through.
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Name this and what passes through (4 structures)
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Foramen Magnum
1. Medulla oblongata 2. Accessory n (CNXI) 3. Vertebral aa. 4. Spinal aa |
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What is this and what passes through (1 structure)
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Hypoglossal Canal - Hypoglossal n passes through.
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What is this and what passes through?
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Incisive fossa - nasopalantine n passes through.
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What passes through and what part of the palate does it supply?
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Top: Greater palatine foramen - greater palatine n and a pass through to supply the hard palate
Bottom: Lesser palatine foramen - lesser palatine n and a pass through to supply the soft palate |
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What are the three structures (top one is broken); what passes through the foramen?
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1. Styloid process
2. Stylomastoid foramen - Facial n passes through it 3. Mastoid process |
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What is the top one? What does it provide attachment for?
What is the bottom one? If present, what does it provide a canal for? |
Top: Pharyngeal tubercle - it provides attachment of the Pharyngeal Raphe - muscles that make up the walls of the pharynx
Bottom: Condylar Canal - if present, it allows for the passage of an emissary vein. |
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What is this? It is part of what bone and what passes through it?
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Pterygoid Canal - it is part of the sphenoid bone and deep petrosal n and greater petrosal n past though.
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a
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Correct answer is B
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Correct answer is B
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a
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Correct answer is CNIII, CN IV, CNV1, and CN VI
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