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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. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." A Dictionary of Biology. 2004. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O6-sternum.html "sternum." A Dictionary of Biology. 2004. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O62-sternum.html "sternum." A Dictionary of Nursing. 2008. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "sternum." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O8-sternum.html MICHAEL ALLABY. "sternum." A Dictionary of Zoology. 1999. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." World Encyclopedia. 2005. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O142-sternum.html "sternum." World Encyclopedia. 2005. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-sternum.html "sternum." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "sternum." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-sternum.html T. F. HOAD. "sternum." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 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.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-X-sternum.html "sternum." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 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. 11 Feb. 2012 <http://www.encyclopedia.com>. "sternum." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-sternum.html "sternum." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-sternum.html |
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