The term transverse insular gyrus refers to a small convolution of the insula identified by dissection in 86% of human hemispheres. The most anteroventral part of the insula, it is bounded dorsally by the anterior limiting sulcus. It is continuous caudally with the anterior short gyrus and rostrally with the posteromedial orbital lobule of the posterior orbital gyrus. ( Ture-1999 ). It is not found in macaques or rodents ( NeuroNames ).