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sternum
sternum (breastbone)
1. A shield-shaped or rod-shaped bone in terrestrial vertebrates, on the ventral side of the thorax, that articulates with the clavicle (collar bone) of the pectoral girdle and with most of the ribs. It is absent in fish, and in birds it bears a keel. 2. The ventral portion of each segment of the exoskeleton of arthropods. |
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"sternum." A Dictionary of Biology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." A Dictionary of Biology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O6-sternum.html "sternum." A Dictionary of Biology. 2004. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-sternum.html |
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sternum
sternum (ster-nŭm) n. (pl. sterna) the breastbone: a flat bone extending from the base of the neck to just below the diaphragm and forming the front part of the skeleton of the thorax. The sternum articulates with the collar bones (see clavicle) and the costal cartilages of the first seven pairs of ribs.
—sternal adj. |
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"sternum." A Dictionary of Nursing. 2008. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O62-sternum.html "sternum." A Dictionary of Nursing. 2008. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-sternum.html |
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sternum
sternum
1. In tetrapods, the bone at the mid-ventral line of the thorax to which most of the ribs are attached at their ventral ends. The sternum is attached anteriorly to the pectoral girdle. 2. In Arthropoda, a ventral cuticle on each segment that forms a thickened plate. See STERNITE. |
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MICHAEL ALLABY. "sternum." A Dictionary of Zoology. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "sternum." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O8-sternum.html MICHAEL ALLABY. "sternum." A Dictionary of Zoology. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-sternum.html |
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sternum
sternum (breastbone) Flat, narrow bone extending from the base of the front of the neck to just below the diaphragm in the centre of the chest. The top attaches by ligaments to the collarbones and the centre part joins to the ribs by seven pairs of costal cartilages.
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"sternum." World Encyclopedia. 2005. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." World Encyclopedia. 2005. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O142-sternum.html "sternum." World Encyclopedia. 2005. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-sternum.html |
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sternum
ster·num / ˈstərnəm/ • n. (pl. -nums or -na / -nə/ ) the breastbone. ∎ Zool. a thickened ventral plate on each segment of the body of an arthropod. |
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"sternum." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O999-sternum.html "sternum." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-sternum.html |
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sternum
sternum (anat.) breast-bone. XVII (earlier †sternon). — Gr. stérnon chest, breast.
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T. F. HOAD. "sternum." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "sternum." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O27-sternum.html T. F. HOAD. "sternum." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-sternum.html |
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sternum
sternum see rib . |
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"sternum." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-X-sternum.html "sternum." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-sternum.html |
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sternum
sternum
•minimum • maximum • optimum
•chrysanthemum, helianthemum
•cardamom • Pergamum • sesamum
•per annum • magnum • damnum
•Arnhem, Barnum
•envenom, venom
•interregnum • Cheltenham • arcanum
•duodenum, plenum
•platinum • antirrhinum • Bonham
•summum bonum • Puttnam
•ladanum • molybdenum • laudanum
•origanum, polygonum
•organum • tympanum
•laburnum, sternum
•gingham • Gillingham • Birmingham
•Cunningham • Walsingham
•Nottingham • wampum • carom
•Abram • panjandrum • tantrum
•angstrom • alarum • candelabrum
•plectrum, spectrum
•arum, harem, harum-scarum, Sarum
•sacrum, simulacrum
•maelstrom • cerebrum • pyrethrum
•Ingram
•sistrum, Tristram
•Hiram
•grogram, pogrom
•nostrum, rostrum
•cockalorum, decorum, forum, jorum, Karakoram, Karakorum, Mizoram, pons asinorum, quorum
•wolfram • fulcrum • Durham
•conundrum • buckram • lustrum
•serum, theorem
•labarum • marjoram • pittosporum
•Rotherham • Bertram
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"sternum." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>. "sternum." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O233-sternum.html "sternum." Oxford Dictionary of Rhymes. 2007. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-sternum.html |
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