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apical meristem
apices
apicomplexan
apiculate
apiculture
apiece
apis mellifica
apish
aplacental
aplacophoran
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aplacental
a·pla·cen·tal [ àyplə sént'l ]


adjective 
Definition:
 
without placenta: used to describe mammals such as marsupials that do not develop a placenta
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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