Article
On the difficulty of increasing dental complexity.
Nature - 7 Mar 2012
Harjunmaa Enni, Kallonen Aki, Voutilainen Maria, Hämäläinen Keijo, Mikkola Marja L, Jernvall Jukka
Abstract excerpt
One of the fascinating aspects of the history of life is the apparent increase in morphological complexity through time, a well known example being mammalian cheek tooth evolution. In contrast, experimental studies of development more readily show a decrease in complexity, again well exemplified by mammalian teeth, in which tooth crown features called cusps are frequently lost in mutant and transgenic mice. Here...
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