Needham's sac

noun

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

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Meanings

nounNeedham's sac (plural Needham's sacs)

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.

Origin

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

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Cite this entry
APA

Needham's sac. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Needham's%20sac

MLA

“Needham's sac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Needham's%20sac. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Needham's sac,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Needham's%20sac.

Source: Needham's sac on Wiktionary, CC BY-SA 4.0.