eupyrene

English

Adjective

eupyrene (not comparable)

  1. (zoology) Of sperm in species that exhibit sperm heteromorphism, fertile.
    • 2016, Mamoru Watanabe, Sperm Competition in Butterflies, page 55:
      After the completion of copulation, the number of eupyrene sperm bundles in a spermatophore gradually decreased.

Coordinate terms
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