- polythecal
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adj. [Gr. polys, many; theke, case](ANNELIDA: Oligochaeta)Earthworm having more than one or two pair of spermathecae per segment; see monothecal.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
polythecal
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monothecal — adj. [Gr. monos, one; theke, case] 1. Having one chamber or loculus; see monothalamous. 2. (ANNELIDA: Polychaeta) Having only one spermatheca; see polythecal … Dictionary of invertebrate zoology
