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 · Your paranasal sinuses (or just your “sinuses,” as most people call them) are four paired cavities in your face. They include the frontal, sphenoid, ethmoid and maxillary sinuses. Together, they make mucus that drains your …

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.

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.

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 …

The photo identifies each of the four types of sinuses, which are correspondingly named after the bone where they are located. All four, collectively called the paranasal sinuses, connect through the hollow cavity of the skull. This cavity is called, as you may have guessed, the sinus cavity.

The sinuses themselves are separated from the eye and the nose by very thin bone or bony laminae. The sphenoid sinuses are near the base of the skull, and can even spread as far as the occipital bone near the back of the head if they are very large.

2011年6月7日 · The sinus cavities, proper term paranasal sinuses, are hollow air-filled cavities in the skull located around the nasal cavity. These rather unassuming pockets in the skull bone may have several important functions and are also prone to diseases that affect the nasal cavity.

The primary sinus cavities in the head include the maxillary, frontal, ethmoid, and sphenoid sinuses. The maxillary sinuses are the largest and are located in the cheekbones, while the frontal sinuses are situated in the forehead region.

When it comes to our health, sinuses — the air-filled cavities in certain bones of the head and face — are a bit of a mystery. Researchers aren’t sure exactly why we have them. They might be there to keep the head from becoming too heavy, to moisten the air we take in …