=====Semilunar gyrus===== {{http://www.hindawi.com/journals/ert/2012/769825.fig.006.jpg}} The anterior part of the [[uncus]] is identified by two protrusions; ambient, and semilunar gyri. The semilunar gyrus is best identified by the [[semilunar sulcus]] .The inferior surface of the uncus is crossed by a transverse marking; the band of Giacomini, which represents the rostral end of the dentate gyrus. {{https://embryology.med.unsw.edu.au/embryology/images/5/53/Kollmann615.jpg}} https://embryology.med.unsw.edu.au/embryology/images/5/53/Kollmann615.jpg