Middle ear to sounds of higher frequency, because these are better taken up by the inner ear (which also responds to higher frequencies than those of non-mammals). The malleus, or "hammer", evolved from the articular bone of the lower jaw, and the incus, or "anvil", from the quadrate. In other vertebrates, these bones form the primary jaw joint, but the expansion of the dentary bone in mammals led to the evolution of an entirely new jaw joint, freeing up the old joint to become part of the ear. For a period of time, both jaw joints existed together, one medially and one
Anvil! The Story of Anvil Show with Conan O'Brien" around this time. Anvil toured the US in 2010. Anvil! The Story of Anvil Anvil! The Story of Anvil is a 2008 rockumentary film about the Canadian heavy metal band Anvil. The film is directed by screenwriter Sacha Gervasi, in his directorial debut, and features interviews with other musicians who have been influenced by the band, including Slash, Tom Araya, Lemmy, Scott Ian, and Lars Ulrich. The film begins by listing the headlining acts of the Super Rock festival held in Japan in 1984: Scorpions, Whitesnake, and Bon Jovi, all of whom have gone on to