tubercle

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tubercle

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

tubercle [Lat.,=little swelling], small, usually solid, nodule or prominence. In anatomy the term is applied to natural prominences in certain muscles, to nerve nuclei of the central nervous system, and to eminences on bones, especially in regions where muscles (through tendons) or bones (through ligaments) are attached. In dentistry tubercle refers to the cusp of a tooth. In pathology it describes small morbid growths, particularly the lesions of tuberculosis . In botany it applies to the nodules on the roots or leaves of plants. In entomology the term is used for a compound or supplementary eye and for the nodules on the bodies of certain insects.

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tubercle

A Dictionary of Zoology | 1999 | | © A Dictionary of Zoology 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

tubercle A dome-like projection.
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MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Encyclopedia.com. 22 Nov. 2009 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Encyclopedia.com. (November 22, 2009). http://www.encyclopedia.com/doc/1O8-tubercle.html

MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Retrieved November 22, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-tubercle.html

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tubercle

A Dictionary of Earth Sciences | 1999 | | © A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

tubercle The domed, surface structure in trilobites (Trilobita). Some tubercles appear to be domes covering a space, others may have been the sites of sensory organs.
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AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 22 Nov. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (November 22, 2009). http://www.encyclopedia.com/doc/1O13-tubercle.html

AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Retrieved November 22, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-tubercle.html

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tubercle. (Image by Dake, GFDL)

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