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Medit.
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Mediterranean
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medullary sheath
med·ul·lar·y sheath (plural med·ul·lar·y sheaths)


noun 
Definition:
 
anatomy 
Same as  myelin sheath
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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