Difference between revisions of "Tusk"
Jump to navigation
Jump to search
(username removed) |
|||
| (One intermediate revision by one other user not shown) | |||
| Line 1: | Line 1: | ||
| − | [[File:RES.84.30-SC38479.jpg|thumb|]] | + | [[File:RES.84.30-SC38479.jpg|thumb|Tusks of wild boar<br>MFA# RES.84.30]] |
== Description == | == Description == | ||
| − | A large protruding tooth found in elephants, walruses, narwhals, and boars. Tusks, like teeth, have a soft center surrounded by hard dentin primarily composed of calcium hydroxyapatite with smaller amounts of calcium carbonate, calcium fluoride, magnesium phosphate, and ossein. A hard durable enamel forms a smooth outer surface. See also [ | + | A large protruding tooth found in elephants, walruses, narwhals, and boars. Tusks, like teeth, have a soft center surrounded by hard dentin primarily composed of calcium hydroxyapatite with smaller amounts of calcium carbonate, calcium fluoride, magnesium phosphate, and ossein. A hard durable enamel forms a smooth outer surface. See also [[elephant%20tusk|elephant tusk]], [[mammoth%20tusk|mammoth tusk]], [[narwhal%20tusk|narwhal tusk]], [[walrus%20tusk|walrus tusk]], and [[wild%20boar%20tusk|wild boar tusk]]. |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:27, 22 June 2022
Description
A large protruding tooth found in elephants, walruses, narwhals, and boars. Tusks, like teeth, have a soft center surrounded by hard dentin primarily composed of calcium hydroxyapatite with smaller amounts of calcium carbonate, calcium fluoride, magnesium phosphate, and ossein. A hard durable enamel forms a smooth outer surface. See also Elephant tusk, Mammoth tusk, Narwhal tusk, Walrus tusk, and Wild boar tusk.