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  1. 12 sie 2019 · Interactive diagrams show sinus cavity locations and help visualize sinusitis, the most common type of sinus infection. We also go over sinusitis signs and care.

  2. 20 sty 2018 · There are four paired sinuses (named for the skull bones in which they are located) in the human head: Frontal sinuses: The right and left frontal sinuses are located near the center of the...

  3. 30 paź 2023 · The paranasal sinuses are paired and symmetrical, air-filled cavities situated around the nasal cavity. Paranasal sinuses are found in three bones of the neurocranium (braincase), the frontal bone, ethmoid bone, and sphenoid bone. The maxilla is the only facial bone (viscerocranium) that contains its own sinuses.

  4. 1 kwi 2021 · The paranasal sinuses are air filled extensions of the respiratory part of the nasal cavity. There are four paired sinuses, named according to the bone they are located in; maxillary, frontal, sphenoid and ethmoid.

  5. Near the sinuses, there are several crucial structures: Tear Duct (Nasolacrimal Duct): It drains tears from the inner corner of the eye into the nasal cavity. Eustachian Tube: This tube helps equalize pressure in the ears and opens into the nasopharynx. Adenoids: These are tonsil-like tissues found at the top of the nasopharynx. While they can ...

  6. Sensation is provided to the nasal cavity primarily via branches of the trigeminal nerve, one of the twelve cranial nerves arising from the brain into various structures in the head and neck.

  7. 15 sie 2024 · Frontal sinus: Pain in your forehead. Sphenoid sinus: Pain behind your eyes or in your ears. Ethmoid sinus: Pain in the bridge of your nose. Maxillary sinus: Pain in your cheekbones or in your upper teeth. Common tests to check the health of the paranasal sinuses

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