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.

2024年8月15日 · Paranasal sinuses serve as “crumple zones” or “crash zones” that absorb some of the force during head trauma. By absorbing some of the hit, they protect crucial structures, like your brain, from direct impact. Influencing how your voice sounds. Your sinuses act as resonators that help give your voice its uniqueness.

2023年10月30日 · 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.. The four pairs of sinuses are named by …

2024年1月24日 · Pansinusitis is a condition in which all the paranasal sinuses are inflamed. Effective treatment is available, but it may take 10 days to 2 weeks to feel better.

2021年4月1日 · The paranasal sinuses are air-filled extensions of the nasal cavity. There are four paired sinuses – named according to the bone in which they are located – maxillary, frontal, sphenoid and ethmoid. Each sinus is lined by a ciliated pseudostratified epithelium, interspersed with mucus-secreting goblet cells.

2023年11月18日 · Paranasal sinus disease, often referred to as sinusitis, affects millions of people worldwide, causing discomfort and disruption to daily life. These air-filled cavities located within the bones around the nose and eyes are prone to inflammation and infections, leading to various health issues. Understanding the causes, symptoms, and available ...

2018年3月16日 · What are the Paranasal Sinuses. Air-filled cavities located within specific facial and skull bones are known as paranasal sinuses [1].Humans have four paired paranasal sinuses, frontal, maxillary, sphenoid, and ethmoid, all extending from the respiratory area of the nasal cavity [2], and named after the bones they are found in.

2020年10月4日 · The paranasal sinuses are four paired, hollow areas within the frontal bone, maxillary bones, ethmoid bone, and sphenoid bone. Sinuses are sometimes referred to as air cavities. The four paranasal sinuses surround the nasal cavity and are lined with epithelium and mucus-producing cells. All paranasal sinuses open into the nasal cavity.

2025年1月27日 · Paranasal sinuses are air-filled cavities located within the bones of the skull and face, surrounding the nasal cavity. These sinuses are lined by a mucous membrane that is continuous with the nasal mucosa. They play essential roles in lightening the skull, humidifying and warming inhaled air, enhancing voice resonance, and providing a buffer against facial

2023年2月11日 · Paranasal sinuses are prone to inflammation and infection. When they become blocked from secretions or a mass, mucus drainage is interrupted, causing sinusitis. Depending on the cause, sinusitis is treated with corticosteroids, decongestants, nasal irrigation, and hydration. Rarely, surgical intervention is required to enhance drainage.