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Medical Definition of Perforatorium
1. A rod or fibrous cone located between the acrosome and the anterior pole of the nucleus in the spermatozoa of toads and birds; no corresponding structure evident in the subacrosomal space of mammalian spermatozoa. Origin: L. Per-foro, pp. -foratum, to bore, + -orium, instrumental suffix (05 Mar 2000)
Lexicographical Neighbors of Perforatorium
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