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.

2023年7月24日 · One of the most prominent dural sinuses of the head is the cavernous sinus. This sinus is responsible for allowing the passage of many cranial nerves (CN), particularly important for ocular and facial function.

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.

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.

The four paired sinuses or air cavities can be referred to as: Ethmoid sinus cavities which are located between the eyes. Frontal sinus cavities which can be found above the eyes (more in the forehead region). Maxillary sinus cavities are located on either side of …

2023年1月30日 · The paranasal sinuses have a wide variety of functions, including lightening the weight of the head, humidifying and heating inhaled air, increasing the resonance of speech, and serving as a crumple zone to protect vital structures in the case of facial trauma (see Image.

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.

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.

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.

2023年10月30日 · The paranasal sinuses are paired and symmetrical, air-filled cavities situated around the nasal cavity. Learn their anatomy now on Kenhub!