Understanding Sinuses: Role, Structure, and Sinusitis Concerns
Sinuses, air-filled cavities in the skull, play a crucial role in filtering air and lightening the bones. They vary in size and shape, with four paired sinuses, including the sphenoid sinuses near the optic nerve and pituitary gland. Sinusitis, an inflammation caused by bacterial infection after a viral one, can lead to fever, headache, and impaired sense of smell.
The sinuses are lined with mucus, continually swept into the nose by tiny hair-like structures. They filter and clean the air we breathe, also serving as resonating chambers for speech. The sphenoid sinuses, located in the sphenoid bone, are the most posterior among the four paired sinuses. In adults, sinus size and shape can vary considerably, reaching their full size by late adolescence to early adulthood. Despite being small or rudimentary at birth, sinuses grow as the skull does, reaching maximum size after puberty.
Understanding the role and structure of sinuses is vital for comprehending sinusitis, a common health issue. The sphenoid sinuses' proximity to vital structures like the optic nerve and pituitary gland makes their inflammation particularly concerning. Regular check-ups and prompt medical attention can help manage sinusitis effectively.
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