transverse temporal sulcus

trans·verse tem·po·ral sul·cus

[TA] the shallow sulcus that demarcates the transverse temporal gyri on the opercular surface of the superior temporal gyrus. This sulcus frequently consists of more than a single sulcus, depending on the exact configuration of the transverse temporal gyrus (gyri). Synonym(s): sulcus temporalis transversus [TA], sulci temporales transversi