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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

    Caldwell's view (or Occipitofrontal view) is a radiographic view of the skull where the X-ray plate is perpendicular to the orbitomeatal line. The rays pass from behind the head and are angled at 15-20° to the radiographic plate. It is commonly used to get better view of the ethmoid and frontal sinuses. [1]

  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

    The maxillary sinuses, the largest of the paranasal sinuses, are under the eyes, in the maxillary bones (open in the back of the semilunar hiatus of the nose). They are innervated by the maxillary nerve (CN V2). [2] The frontal sinuses, superior to the eyes, in the frontal bone, which forms the hard part of the forehead.

  6. Waters' view - Wikipedia

    en.wikipedia.org/wiki/Waters'_view

    Waters' view can be used to best visualise a number of structures in the skull. 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.

  7. Skull - Wikipedia

    en.wikipedia.org/wiki/Skull

    Skull in situ Human head skull from side Anatomy of a flat bone – the periosteum of the neurocranium is known as the pericranium Human skull from the front Side bones of skull. The human skull is the bone structure that forms the head in the human skeleton. It supports the structures of the face and forms a cavity for the brain. Like the ...

  8. Sphenoid bone - Wikipedia

    en.wikipedia.org/wiki/Sphenoid_bone

    It is situated in the middle of the skull towards the front, in front of the basilar part of the occipital bone. The sphenoid bone is one of the seven bones that articulate to form the orbit . Its shape somewhat resembles that of a butterfly , bat or wasp with its wings extended.

  9. Aerosinusitis - Wikipedia

    en.wikipedia.org/wiki/Aerosinusitis

    In most cases of sinus barotrauma, localized pain to the frontal area is the predominant symptom. This is due to pain originating from the frontal sinus, it being above the brow bones. Less common is pain referred to the temporal, occipital, or retrobulbar region. Epistaxis or serosanguineous secretion from the nose may occur.