| / English Dictionary |
FRONTAL SINUS
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
One of a pair of cavities in the frontal bone
Classified under:
Hypernyms ("frontal sinus" is a kind of...):
sinus (any of various air-filled cavities especially in the bones of the skull)
Context examples:
The frontal sinuses are lined with cells that make mucus to keep the nose from drying out.
(Frontal sinus, NCI Dictionary)
A benign neoplasm that arises from the ciliated respiratory mucosa that lines the frontal sinus.
(Frontal Sinus Inverted Papilloma, NCI Thesaurus)
A non-metastasizing neoplasm that arises from the frontal sinus.
(Benign Frontal Sinus Neoplasm, NCI Thesaurus)
There are two, large frontal sinuses in the frontal bone, which forms the lower part of the forehead and reaches over the eye sockets and eyebrows.
(Frontal sinus, NCI Dictionary)
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