# Tomium

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> Source: https://en.wikipedia.org/wiki/Tomium
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{{Short description|Sharp cutting edge of a bird's beak or turtle's bill}}
In [anatomy](/source/anatomy), the '''tomium''' is the sharp cutting edge of the [beak](/source/beak)<ref>{{Cite book|last=Luescher|first=Andrew|url=https://books.google.com/books?id=GmRPyX1a9hMC&dq=Tomium+beak&pg=PA252|title=Manual of Parrot Behavior|date=2008-01-09|publisher=John Wiley & Sons|isbn=978-0-470-34435-4|language=en}}</ref><ref>{{Cite book|url=https://books.google.com/books?id=2REgAQAAMAAJ&q=Tomium+beak|title=Research & Exploration: A Scholarly Publication of the National Geographic Society|date=1993|publisher=National Geographic Society|language=en}}</ref> of a [bird](/source/bird)<ref>{{Cite book|url=https://books.google.com/books?id=dcNi9x50LHMC&dq=Tomium+beak&pg=PA17|title=Agriculture Handbook|date=1972|publisher=U.S. Department of Agriculture|language=en}}</ref> or the bill of a [turtle](/source/turtle).<ref>{{Cite book|last=Carr|first=Archie|url=https://books.google.com/books?id=aC5zDwAAQBAJ&dq=tomium+beak+snapping+turtle&pg=PA36|title=Handbook of Turtles: The Turtles of the United States, Canada, and Baja California|date=2018-10-18|publisher=Cornell University Press|isbn=978-1-5017-2247-9|language=en}}</ref><ref>{{Cite book|last=Savage|first=Jay M.|url=https://books.google.com/books?id=HDNQ2bba3QcC&dq=tomium+snapping+turtle&pg=PA742|title=The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas|date=2002|publisher=University of Chicago Press|isbn=978-0-226-73537-5|language=en}}</ref> Sometimes the edge is serrated for tearing through flesh or vegetation.<ref>{{Cite book|last1=Long|first1=John A.|url=https://books.google.com/books?id=NIYC8eHAyq8C&dq=Tomium+beak&pg=PA63|title=Feathered Dinosaurs: The Origin of Birds|last2=Schouten|first2=Peter|date=2008|publisher=Oxford University Press|isbn=978-0-19-537266-3|language=en}}</ref><ref>{{Cite book|last=Luescher|first=Andrew|url=https://books.google.com/books?id=GmRPyX1a9hMC&dq=Tomium+beak&pg=PA252|title=Manual of Parrot Behavior|date=2008-01-09|publisher=John Wiley & Sons|isbn=978-0-470-34435-4|language=en}}</ref>

==See also==

* [Culmen (bird)](/source/Culmen_(bird))
* [Gonys](/source/Gonys)

==References==
{{reflist}}

Category:Vertebrate anatomy

{{Vertebrate anatomy-stub}}

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Adapted from the Wikipedia article [Tomium](https://en.wikipedia.org/wiki/Tomium) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Tomium?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.