Tusk

As tusks are highly trained, rootless, ever- renewable teeth referred to in the maxilla of certain mammals that protrude far from the jaw of an animal. This can be both incisors and canines around. An agreed definition of the tusks there is not. Tusks are found in various animal groups.

Elephants

The tusks of elephants and their extinct relatives ( mammoths, mastodons, and others) provide extremely elongated and outwardly displaced incisors of the upper jaw ( at the mastodons and the lower jaw ) dar. The largest tusk of an elephant is 3.49 m long ( at the outer curvature measured ), comes from Zaire and is owned by the New York Zoological Society in the Bronx Zoo, with 5m longest tusk from prehistoric times had the elephant Hesperoloxodon antiqus germanicus, who lived about 2 million years ago; the hardest comes from Dahomey (Benin), weighs 117 kg, and was exhibited at the Paris World Exhibition in 1900; the heaviest fossil tusk weighs in at a circumference of 89 cm and a length of 3.58 m 150 kg, and belonged to a Mammutart.

The tusks of Asian elephants are smaller than those of the African in general. Elephant tusks are the main source of ivory dar.

Narwhal, walrus

The long, twisted tusk of the narwhal is a vice imaginary canine ( canine ). Probably the biggest example is in the German Leather Museum in Offenbach am Main. While the length is normally around 2 m, it brings this tooth to 2.74 m. The narwhal tusk was held in the Middle Ages and early modern times for a unicorn's horn, and therefore referred to as Ainkhürn. The tusks of the walrus are also formed from the upper canines.

Swell

• Tooth
• Anatomy (vertebrates )