Term
| Frontal View (be able to label) |
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Definition
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Term
| (T/F) This view of the skull includes every skull bone except the occipital bone and palantine bones |
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Definition
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Term
| What are the main bony features visible in the frontal view (although every bone is included in this view) (7) |
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Definition
1. Frontal
2. Orbit (eye socket)
3. Nasal cavity
4. Maxilla
5. Mandible
6. Zygomatic
7. Nasal bones |
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Term
| What are the 3 major foramina of the frontal view? |
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Definition
1. Superior orbital foramen
2. Inferior orbital foramen
3. Mental foramen |
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Term
| Lateral View (be able to label) |
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Definition
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Term
| (T/F) Few bones can be seen from this view |
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Definition
| False, almost all can be seen |
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Term
| What are the main non-bony features of the lateral view? |
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Definition
1. Temporal fossa
2. Coronoid suture
3. Lamboid suture
4. Pterion |
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Term
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Definition
| The area where the parietal, frontal, sphenoid and temporal bones join |
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Term
| Posterior view (be able to label) |
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Definition
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Term
| Name the sutures that are visible in this view? |
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Definition
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Term
| Superior View (be able to label) |
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Definition
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Term
| What are the 3 sutures seen in this view? |
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Definition
1. Coronal
2. Sagittal
3. Lamboid |
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Term
| Inferior view (be able to label) |
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Definition
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Term
| What are the main bony features in this view that have not been covered elsewhere? |
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Definition
1. Nasal choanae (posterior nasal apertues)
2. Vomer
3. Inferior orbital fissure |
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Term
| What are the main foramina of the central skull in the inferior view? |
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Definition
1. Froamen lacerum
2. Foramen spinosum
3. Foramen ovale |
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Term
| What are the main foramina/canals more posterior, lateral to the occipital chondyles? |
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Definition
1. Stylomastoid foramen
2. Hypoglossal canal
3. Carotid canal
4. Jugular foramen |
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Term
| Base of the skull, viewed superiorly (be able to label) |
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Definition
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Term
| How many fossa can the base of the skull be divided into? |
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Definition
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Term
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Definition
1. Anterior cranial fossa
2. Middle cranial fossa
3. Posterior cranial fossa |
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Term
| What makes up the floor of the anterior fossa? |
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Definition
| Horizontal plate of the frontal bone, plus the cribiform plate and crista galli |
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Term
| What forms the posterior border of this fossa? |
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Definition
| The lesser wing and jugum of the sphenoid |
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Term
| What is the jugum of the sphenoid? |
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Definition
| The portion anterior to the sella turcica, where the optic chiasm rests |
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Term
| How is the shape of the middle fossa described? |
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Definition
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Term
| What bones make up the "body" of the butterfly? |
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Definition
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Term
| What makes up the wings of the butterfly? |
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Definition
| The greater wing and temporal bone |
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Term
| What are the prominent openings in this fossa? |
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Definition
1. Optic canals
2. Superior orbital fissures
3. Foramen rotundum
4. Foramen spinosum
5. Foramen ovale |
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Term
| What forms the optic canal? |
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Definition
| The space between the anterior clinoid processes |
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Term
| What forms the superior orbital fissure? |
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Definition
| The space between the greater and lesser wings of the sphenoid |
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Term
| What forms the major portion of the posterior cranial fossa? |
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Definition
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Term
| What forms the anterior border of this fossa? |
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Definition
| The vertical wall of the petrous temporal bone |
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Term
| What are the 3 major holes in the posterior fossa? |
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Definition
1. Foramen magnum
2. Jugular foramen
3. Hypoglossal canal |
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Term
| Where is the hypoglossal canal? |
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Definition
| In the wall of the foramen magnum |
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Term
| What do the grooves in the walls of the fossa indicate? |
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Definition
| The passing of the transverse and sigmoid venous sinuses |
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Term
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Definition
| An anterior feature of the occipital bone that runs steeply towards the sella turcica |
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