of or pertaining to the sternum.

1750–60; < Neo-Latin sternālis. See sternum, -al1

poststernal, adjective
substernal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sternum (ˈstɜːnəm)
n , pl -na, -nums
1.  Nontechnical name: breastbone (in man) a long flat vertical bone, situated in front of the thorax, to which are attached the collarbone and the first seven pairs of ribs
2.  the corresponding part in many other vertebrates
3.  Compare tergum a cuticular plate covering the ventral surface of a body segment of an arthropod
[C17: via New Latin from Greek sternon breastbone]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

sternal ster·nal (stûr'nəl)
Of, relating to, or occurring near the sternum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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