"Sphenoid Sinus" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior part of NASAL CAVITY on the same side.
Below are MeSH descriptors whose meaning is more general than "Sphenoid Sinus".
Below are MeSH descriptors whose meaning is more specific than "Sphenoid Sinus".
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