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Definition of Zonaria
1. n. pl. A division of Mammalia in which the placenta is zonelike.
2. n. pl. A division of Mammalia in which the placenta is zonelike.
Medical Definition of Zonaria
1. 
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1. n. pl. A division of Mammalia in which the placenta is zonelike.
2. n. pl. A division of Mammalia in which the placenta is zonelike.
1.