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2. Frontal sinus - Wikipedia

   en.wikipedia.org/wiki/Frontal_sinus

   The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Sinuses are mucosa -lined airspaces within the bones of the face and skull. Each opens into the anterior part of the corresponding middle nasal meatus of the nose through the frontonasal duct which traverses the anterior part of the ...

3. Caldwell's view - Wikipedia

   en.wikipedia.org/wiki/Caldwell's_view

   Different pneumatisation patterns of frontal sinus are observed in population. The frontal sinuses can be asymmetric in normal individual. Usually, frontal sinus shows radiolucent shadow and individual cells are made out, giving it a scalloping or clove-like appearance. Chronic frontal sinusitis: Increased frontal sinus opacity. Normal ...

4. Sinus (anatomy) - Wikipedia

   en.wikipedia.org/wiki/Sinus_(anatomy)

   Ethmoid sinus cavities which are located between the eyes. Frontal sinus cavities which can be found above the eyes (more in the forehead region). Maxillary sinus cavities are located on either side of the nostrils (cheekbone areas). Sphenoid sinuses that are located behind the eyes and lie in the deeper recesses of the skull.

5. Paranasal sinuses - Wikipedia

   en.wikipedia.org/wiki/Paranasal_sinuses

   Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity. [1] The maxillary sinuses are located under the eyes; the frontal sinuses are above the eyes; the ethmoidal sinuses are between the eyes and the sphenoidal sinuses are behind the eyes.

6. Human nose - Wikipedia

   en.wikipedia.org/wiki/Human_nose

   The frontal sinuses are located in the frontal bone; the sphenoidal sinuses in the sphenoid bone; the maxillary sinuses in the maxilla; and the ethmoidal sinuses in the ethmoid bone. [2] [13] A narrow opening called a sinus ostium from each of the paranasal sinuses allows drainage into the nasal cavity. The maxillary sinus is the largest of the ...

7. File:Paranasal sinuses numbers.svg - Wikipedia

   en.wikipedia.org/wiki/File:Paranasal_sinuses...

   English: Paranasal Sinuses: 1. Frontal Sinuses, 2. Ethmoid Sinuses (Ethmoidal Air Cells), 3. ... This is a retouched picture, which means that it has been digitally ...

8. Today's Wordle Hint, Answer for #1258 on Thursday, November ...

   www.aol.com/todays-wordle-hint-answer-1258...

   Today's Wordle Answer for #1258 on Thursday, November 28, 2024. Today's Wordle answer on Thursday, November 28, 2024, is CHOCK. How'd you do? Next: Catch up on other Wordle answers from this week.

9. Waters' view - Wikipedia

   en.wikipedia.org/wiki/Waters'_view

   Maxillary sinuses. Frontal sinuses, seen with an oblique view. Ethmoidal cells. Sphenoid sinus, seen through the open mouth. Odontoid process, where if it is just below the mentum, it confirms adequate extension of the head. The frontal sinus may not show the frontal sinus in detail. [1]