About: http://webisa.webdatacommons.org/126694883

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So, no, they do not spread. http://www.doctorspiller.com/oral%20anatomy.htmLook about 2/3 down on the page, and there is a picture of a normal tongue, with the circumvallate papillae.
http://www.w3.org/ns/prov#wasQuotedFrom	hpvfaq.com