Encyclopedia > Spicule

Article Content

Spicule

Spicules are skeletal structures of sponges that aid in supporting them. These are mostly calcareous, made of calcium carbonate. Spicules are varied in structure.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Grateful Dead

... 1995 - with a few detours to Canada and Europe (see Dick's Picks 7, Hundred Year Hall, Steppin' Out with the Grateful Dead, and Europe '72) and 3 nights at the Great ...