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Definition of Tanystomata
1. n. pl. A division of dipterous insects in which the proboscis is large and contains lancelike mandibles and maxillæ. The horseflies and robber flies are examples.
Medical Definition of Tanystomata
1. 
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1. n. pl. A division of dipterous insects in which the proboscis is large and contains lancelike mandibles and maxillæ. The horseflies and robber flies are examples.
1.