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Oct 30, 2023 · Learn about the four pairs of paranasal sinuses that surround the nasal cavity and their functions in humidifying air, immune response, and voice resonance. Find out their locations, drainage, innervation, and blood supply, and how they can be affected by sinusitis.
Apr 1, 2021 · Learn about the structure, location and drainage of the four paired paranasal sinuses: maxillary, frontal, sphenoid and ethmoid. Find out their possible functions and clinical relevance, such as sinusitis and transsphenoidal surgery.
Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity. 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.
Feb 11, 2023 · Paranasal sinuses are prone to inflammation and infection. The mucus drainage is interrupted when the paranasal sinuses become blocked from secretions or a mass, causing sinusitis. Depending on the cause, sinusitis is treated with corticosteroids, decongestants, nasal irrigation, and hydration.
Oct 4, 2020 · Learn about the four pairs of hollow cavities in the facial and cranial bones that help to warm and filter air. Find out how they develop, drain, and interact with the immune system and COVID-19.
Dec 8, 2017 · The paranasal sinuses are air-filled spaces located within the bones of the skull and face. They are centered on the nasal cavity and have various functions, including lightening the weight...
Jan 17, 2023 · Paranasal sinuses are a group of four, paired, air-filled spaces that surround the nasal cavity (maxillary sinuses), above the eyes (frontal sinuses), between the eyes (ethmoid sinuses), and behind the eyes (sphenoid sinuses).
