palatoglossus

noun

pal·​a·​to·​glos·​sus -ˈgläs-əs, -ˈglȯs-əs 

plural palatoglossi -(ˌ)ī 

: a thin muscle that arises from the soft palate on each side, contributes to the structure of the palatoglossal arch, and is inserted into the side and dorsum of the tongue

called also glossopalatinus