Examples of paranasal in the following topics:
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- Paranasal sinuses (four paired air-filled spaces) surround the nasal cavity, are above and between the eyes, and are behind the ethmoids.
- Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity (maxillary sinuses), above and between the orbits (ethmoid sinuses and frontal sinuses), and behind the ethmoids (sphenoid sinuses).
- The maxillary sinuses (also called the maxillary antrechea, the largest of the paranasal sinuses) are located under the orbits in the maxillary bones.
- The paranasal sinuses are lined with respiratory epithelium.
- Paranasal sinuses form developmentally through excavation of bone by air-filled sacs (pneumatic diverticula) from the nasal cavity.
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- The nose and paranasal sinuses form much of the upper respiratory tract, along with the pharynx.
- The paranasal sinuses are a group of four, paired, air-filled spaces, lined with respiratory epithelium (ciliated columnar epithelium).
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- Sinusitis, the inflammation of the paranasal sinuses, is a very common condition in the US with potentially dangerous complications.
- Sinusitis is inflammation of the paranasal sinuses, which may be due to infection, allergy, or autoimmune issues.
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- However, thus far the only route for Naegleria fowleri to enter the central nervous system is via deep insufflation of infected water as it attaches itself to the olfactory nerve, which is exposed only at the extreme vertical terminus of the paranasal sinuses.
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- Resonance: The structures of the upper respiratory tract—particularly the soft palate of the mouth, the nasopharynx, and the paranasal sinuses—resonate and amplify the vibration of the vocal folds, making the sound louder and changing its tone.