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12 sie 2019 · Learn about the sinuses, hollow spaces in the skull and face bones that connect to the nose and produce mucus. Find out how sinus infections occur, what are the symptoms and treatments, and how to keep sinuses healthy.
20 sty 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...
1 kwi 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 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 the nostrils (cheekbone areas).
The inside of the nose is called the nasal cavity. Along the sides of the nasal cavity are bone shelves called turbinates. These turbinates, covered by mucosa which helps humidify the air we breathe. There are typically three turbinates on each side (inferior, middle, and superior).
30 paź 2023 · 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.
24 lip 2023 · A cavity or hollow space in bone or other tissue. A dilation in a blood vessel. A fistula or tract that transforms into a cavity. There are many types of sinuses, such as the paranasal sinuses of the skull or the dural sinuses of the cerebral meninges.
