part of part of adjacent to pinna surface groove tragus antitragus intertragic incisure intertragic incisure intertragal incisure incisura intertragica auricular notch Wikipedia:Incisura_anterior_auris sulcus auriculae anterior A surface structure that is the narrowed downward continuation of the conchal space bounded anteriorly by the borders of the tragus, posteriorly by theantitragus, and along its lower lateral margins and inferior boundary by the connection between the first two. UBERON:0036212 anterior auricular groove intertragic notch intertragic incisure FMA:61175 Measurement notes: The length is measured from the upper to the lower border (between tragus and antitragus) incisura SCTID:362542005 incisura anterior auris