epistropheus
(ĕp′ĭ-strō′fē-əs)- axis
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for epistropheus
Historical Examples
Its independence from the epistropheus is emphasised in Monotremes and some Marsupials by its late fusion with that vertebra.
The Cambridge Natural History, Vol X., MammaliaFrank Evers Beddard