- Spicule
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- This article is about the skeletal structure. See also Spicule (solar physics) and Spicule (glass manufacture).
Spicules are tiny spike-like structures of diverse origin and function found in many organisms, such as the copulatory spicules of certain nematodes or the grains on the skin of some frogs.
Main article: sponge spiculeIn sponges, spicules perform a structural function.
References
Categories:- Poriferans
- Skeletal system
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