olfactory sulcus http://upload.wikimedia.org/wikipedia/commons/9/9a/Gray729_olfactory_sulcus.png HBA:9361 FMA:83769 UMLS:C1281082 olfactory groove DHBA:10624 The medial orbital gyrus presents a well-marked antero-posterior sulcus, the olfactory sulcus, for the olfactory tract. [WP,unvetted]. UBERON:0002772 BAMS:olfs Wikipedia:Olfactory_sulcus BM:Tel-Cx-OFS neuronames:78 SCTID:279358007 BIRNLEX:1655 OLFS sulcus olfactorius UMLS:C0228205 NCIT:C33206 sulcus olfactorius lobi frontalis sulcus of brain