Leonid V. Pazhincky, Irina P. Rizhova, Arman A. Oganesyan, Aleksandr V. Tsimbalistov, Topographoanatomical Relation of the Trellised Labyrinth Structures Determining the Structure of Fronto-Nasal Duct, Research Journal of Medical Sciences, Volume 9,Issue 4, 2015, Pages 204-207, ISSN 1815-9346, rjmsci.2015.204.207, (https://makhillpublications.co/view-article.php?doi=rjmsci.2015.204.207) Abstract: The conducted morphological study allowed us to determine the structural variants of the frontal sinus-ingrown cells of the anterior trellised labyrinth. We have defined their role in fronto-nasal duct narrowing. Keywords: Cells of a trellised labyrinth;sinus frontales;fronto-nasal duct;agger nasi;parisiana nomina anatomica