Paranasal Sinuses
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| show | Large air-filled cavities are sometimes called the accessory nasal sinuses because they are linked with mucous membrane.
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| Maxillary Sinuses | show 🗑
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| Older term for maxillary sinus is? | show 🗑
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| Nasal Cavity | show 🗑
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| The radiographic positioning of the paranasal sinuses should be accomplished with the patient in the _______ position to delineate any possible air-fluid levels. | show 🗑
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| show | Are located between the inner and outer tables of the skull, posterior to the glabella and they rarely become aerated before age 6.
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| show | Are contained within the lateral masses or labyrinths of the ethmoid bone.
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| Sphenoid Sinuses | show 🗑
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| Sphenoid Effusion | show 🗑
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| Osteomeatal Complex | show 🗑
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| Sinusitis | show 🗑
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| Large Maxillary Sinus | show 🗑
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| Ethmoid Bulla | show 🗑
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| show | Of the ethmoid bone makes up the medial wall of the infundibulum passageway.
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| show | Cone-shapped.
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| show | The rim of the orbit which corresponds to the outer circular portion of the cone; but is seldom a true circle.
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| Apex | show 🗑
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| Each orbit is composed of ____ bones? | show 🗑
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| show | Frontal bone, Zygoma, and Maxilla.
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| Lacrimal bone | show 🗑
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| Sphenoid & Ethmoid Bones | show 🗑
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| Palatine Bone | show 🗑
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| The 7 Bones that make up at orbit include ____ cranial bones and _____ facial bones. | show 🗑
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| Optic Foramen | show 🗑
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| show | Is a cleft or opening between the greater & lesser wings of the sphenoid bone, located lateral to the optic foramen that allows transmission of 4 primary cranial nerves which control movement of the eye and eyelid.
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| show | Located between the maxilla, zygomatic bone, and grater wing of the sphenoid; it allows for transmission of the maxillary branch of CNV which permits entry of sensory innervation for the cheek, nose, upper lip & teeth.
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| Sphenoid Strut | show 🗑
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| show | 1. Erect.
2. Horizontal beam.
3. AEC not recommended.
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| show | CR midway between outer canthus and EAM.
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| PA Sinuses: Caldwell | show 🗑
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| show | - MML perpendicular to IR forms a 37° angle with the plan of IR.
- CR horizontal, to exit at acanthion.
* Maxillary sinuses demonstrated.
* Petrous ridges below maxillary sinuses.
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| SMV Sinuses | show 🗑
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| PA Transoral Sinuses: Open-Mouth Waters Method | show 🗑
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