Clitellum

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Notion

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Science and technology

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What Wikipedia says

The clitellum is a thickened glandular and non-segmented section of the body wall near the head in earthworms and leeches that secretes a viscid sac in which eggs are stored. It is located near the anterior end of the body, between the fourteenth and seventeenth segments.

Excerpt from the Wikipedia article “Clitellum”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Michael Linnenbach, CC BY-SA 3.0, via Wikimedia Commons.