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aperture
(redirected from nasal aperture)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.04 sec.

aperture

An orifice. It often refers to an opening in which light is allowed to pass in optical systems such as cameras and lasers. See f-stop and numerical aperture.


aperture
Physics
a. a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it
b. the diameter of such an opening


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A plain x-ray demonstrated an extremely wide nasal aperture (figure 2).
This was then closed and lateralized, providing a much more adequate nasal aperture (figure 4).
 
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