2019年8月12日 · 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.

2024年8月15日 · What are the paranasal sinuses? Your paranasal sinuses are four paired, air-filled spaces (cavities) inside the bones in your face. Most of us know them as just our “sinuses.” Technically speaking, “sinus” is a broad medical term that may refer to different air-filled cavities inside a bone or another type of tissue, like a blood vessel.

A sinus is a sac or cavity in any organ or tissue, or an abnormal cavity or passage. In common usage, "sinus" usually refers to the paranasal sinuses, which are air cavities in the cranial bones, especially those near the nose and connecting to it. Most individuals have four paired cavities located in the cranial bone or skull.

The sinuses are air-filled cavities located within the bones of the face. Learn more about the anatomy of the sinuses.

2023年10月30日 · The prime function of the paranasal sinuses is to protect the organism, mostly by humidifying the inhaled air and facilitating the immune response of the respiratory system. This article will discuss the anatomy and function of the paranasal sinuses.

2023年7月24日 · Sinuses are located throughout the body and perform varying functions. Sinuses are typically associated with the cavities within the skull. The word “sinus” is most commonly understood to be the paranasal sinuses that are located near the nose and connect to …

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.

The paranasal sinuses are pairs of air-filled cavities with variable morphologies located within the bones of the skull. They are lined by a respiratory epithelium and have drainage at specific places on the lateral wall of the nasal cavity.

2021年4月1日 · 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.

2011年6月7日 · There are four paranasal sinuses in humans, named according to the part of the skull where it is predominantly located. The paranasal sinuses do, however, extend to neighboring bones of the skull. From top to bottom, the four paranasal sinuses are the frontal, ethmoid, sphenoid and maxillary sinuses.