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aplacental

[ey-pluh-sen-tl, ap-luh-] /ˌeɪ pləˈsɛn tl, ˌæp lə-/
adjective, Zoology
1.
having or forming no placenta, as the marsupials and monotremes.
Origin
1855-1860
1855-60; a-6 + placental
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for more aplacental

aplacental

/ˌeɪpləˈsɛntəl; ˌæplə-/
adjective
1.
(of monotremes and marsupials) having no placenta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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more aplacental in Medicine

aplacental a·pla·cen·tal (ā'plə-sěn'tl)
adj.
Having no placenta.

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