SINUS FRONTALIS Meaning and
Definition
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Sinus frontalis, also known as the frontal sinus, is a term used in anatomy to describe a pair of air-filled spaces located within the frontal bone, which is one of the bones that makes up the upper portion of the skull. Specifically, the sinus frontalis refers to the cavities found in the frontal bone, just behind the forehead and above the eyes.
The sinus frontalis plays a crucial role in the protection and functioning of the skull. It is lined with a mucous membrane that produces mucus, helping to filter the air we breathe and trap particles before they reach the sensitive areas of the respiratory system. The mucus produced by the sinus frontalis also helps to humidify the air, making it more comfortable for inhalation. Additionally, the sinuses also have a role in helping to lighten the weight of the skull, as the air-filled cavities reduce the overall density of the skull.
The size and structure of the sinus frontalis can vary among individuals, and its development continues throughout childhood and adolescence. Generally, the sinus frontalis on each side of the forehead communicates with the nasal cavity through a small channel known as the frontonasal duct. When these sinus spaces become inflamed and infected, a condition called sinusitis can occur, causing symptoms such as facial pain, pressure, and nasal congestion.
Overall, the sinus frontalis serves important roles in respiration, filtration, and the structural integrity of the skull.
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Frontal sinus; a hollow formed on either side by the separation of the two plates of the frontal bone, beneath the superciliary ridge; it communicates by the infundibulum with the nasal fossa of the same side.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SINUS FRONTALIS
- ainus frontalis
- zinus frontalis
- xinus frontalis
- dinus frontalis
- einus frontalis
- winus frontalis
- sunus frontalis
- sjnus frontalis
- sknus frontalis
- sonus frontalis
- s9nus frontalis
- s8nus frontalis
- sibus frontalis
- simus frontalis
- sijus frontalis
- sihus frontalis
- sinys frontalis
- sinhs frontalis
- sinjs frontalis
- sinis frontalis
Etymology of SINUS FRONTALIS
The etymology of the word "sinus frontalis" can be traced back to Latin.
- "Sinus" in Latin refers to a hollow cavity or a curve, and it is commonly used to describe a body cavity or a hollow space within an organ. In the case of "sinus frontalis", "sinus" refers to the sinus cavity found within the frontal bone of the skull.
- "Frontalis" is derived from the Latin word "frons", which means "forehead". It is used to describe something related to the frontal bone or the forehead.
Therefore, "sinus frontalis" refers to the frontal sinus, which is one of the paranasal sinuses situated within the frontal bone.
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