This video briefly describes everything that you need to know about the histology of circumvallate papillae.All the parts of circumvallate papillaewith their functions have been explained with the help of histological slides. 0:00 introductions 0:11 Identification points of the tongue histology 2:00 circumvallate papillae 3:00 taste buds 3:36 Von Ebner glands