Opening of frontal sinus - Apertura sinus frontalis

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Description

In front of the ethmoidal notch, on either side of the frontal spine,


This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

Anatomical hierarchy

General Anatomy > Bones; Skeletal system > Axial skeleton > Cranium > Frontal bone > Frontal sinus > Opening of frontal sinus

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