haematodocha

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noun

An elastic sac of tissue within the palp of male arachnids, which fills with blood during insemination.

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Meanings

nounhaematodocha (plural haematodochae)

plural haematodochae

  1. biologyAn elastic sac of tissue within the palp of male arachnids, which fills with blood during insemination.

    The elastic haematodochae are then distended hydraulically, pushing out and rotating the sclerites of the palpal organs, some of which lock it in position.

    1996, Michael J Roberts, Spiders of Britain and Northern Europe, Collins, published 1996, page 22
Cite this entry
APA

haematodocha. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/haematodocha

MLA

“haematodocha.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/haematodocha. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “haematodocha,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/haematodocha.

Source: haematodocha on Wiktionary, CC BY-SA 4.0.