tubercle

tubercle

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.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"tubercle." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

"tubercle." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1E1-tubercle.html

"tubercle." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-tubercle.html

Learn more about citation styles

tubercle

tu·ber·cle / ˈt(y)oōbərkəl/ • n. 1. Anat. , Zool. , & Bot. a small rounded projection or protuberance, esp. on a bone or on the surface of an animal or plant. 2. Med. a small nodular lesion in the lungs or other tissues, characteristic of tuberculosis. DERIVATIVES: tu·ber·cu·late / t(y)oōˈbərkyəˌlāt; -lit/ adj. (in sense 1).

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"tubercle." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

"tubercle." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O999-tubercle.html

"tubercle." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-tubercle.html

Learn more about citation styles

tubercle

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.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-tubercle.html

AILSA ALLABY and MICHAEL ALLABY. "tubercle." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-tubercle.html

Learn more about citation styles

tubercle

tubercle (tew-ber-kŭl) n.
1. (in anatomy) a small rounded protuberance on a bone.

2. the specific nodular lesion of tuberculosis.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"tubercle." A Dictionary of Nursing. 2008. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

"tubercle." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O62-tubercle.html

"tubercle." A Dictionary of Nursing. 2008. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-tubercle.html

Learn more about citation styles

tubercle

tubercle A dome-like projection.

Show all research tools

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O8-tubercle.html

MICHAEL ALLABY. "tubercle." A Dictionary of Zoology. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-tubercle.html

Learn more about citation styles

Free newspaper and magazine articles

Early results from indirect drug susceptibility test for tubercle bacilli
Magazine article from: Indian Journal of Medical Research; 5/1/1999
The clearance of tubercle bacilli &amp; mycobacterial antigen vis a vis the...
Magazine article from: Indian Journal of Medical Research; 7/1/1999
The theoretical simulation and the experimental control of the calibration...
Magazine article from: Annals of DAAAM &amp; Proceedings; 1/1/2009

Facts and information from other sites

tubercle images
tubercle. (Image by Dake, GFDL)