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ovoviviparous
OVP
Ovshinsky effect
ovulate
ovule
ovuliferous scale
ovum
ovum donation
OW
ow
owe
Owen Sound
Owensboro
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ovisac
o·vi·sac [ ṓvi sàk ] (plural o·vi·sacs)


noun 
Definition:
 
sac containing ovum: a sac or capsule in the ovary of a mammal that contains a mature ovum.
See also  Graafian follicle
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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