Aug 12, 2019 · 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.

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.

Aug 15, 2024 · 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.

Jul 24, 2023 · The word “sinus” is most commonly understood to be the paranasal sinuses that are located near the nose and connect to the nasal cavity. There are four paranasal sinuses, each corresponding with the respective bone from which it takes its name: maxillary, ethmoid, sphenoid, and frontal.

Jan 20, 2018 · There are four paired sinuses (named for the skull bones in which they are located) in the human head: Frontal sinuses: The right and left frontal sinuses are located near the center of the...

There are different types of sinuses like the frontal, ethmoid, sphenoid, and maxillary ones. Each one has a special spot in the skull. For example, the sphenoid sinuses are near the skull base and house the pituitary gland. Knowing about sinus anatomy helps doctors treat sinus problems better.

Most sinuses drain into a common pathway just beyond the middle turbinate, known as the osteomeatal complex. Air flows between the turbinates and the nasal septum, which separates the two sides of the nose. Eventually, both air and mucus are directed to the nasopharynx, where the nose meets the throat.

Apr 1, 2021 · 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 nasal glands are the seromucous glands in the respiratory region of the nasal mucous membrane. [2] The three major types of nasal glands are anterior serous glands, seromucous glands, and Bowman glands.

There are 4 groups of paranasal sinuses: the maxillary, ethmoid, frontal, and sphenoid sinuses. Sinuses reduce the weight of the facial bones and skull while maintaining bone strength and shape. The air-filled spaces of the nose and sinuses also add resonance to the voice.