[Ethmoid orifices and canals; their anatomical and surgical importance].
D004777:Environment; D005004:Ethmoid Bone / Q000033:anatomy & histology*; D006652:Histological Techniques; D006801:Humans
ETHMOID BONE/anatomy and histology
Gli orifici e i condotti etmoidali; loro importanza anatomo-chirurgica.