Needham's sac

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English[edit]

English Wikipedia has an article on:
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Etymology[edit]

Named after John Tubervill Needham, who described it in 1745.

Noun[edit]

Needham's sac (plural Needham's sacs)

  1. Part of the reproductive tract of cephalopods in which spermatophores are stored, opening into the left side of the mantle cavity.