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

Digital Rights Management

... in broadcast HDTV signals and the Palladium operating system. A wide variety of DRM systems have also been employed to restrict access to eBooks[?]. See the TCPA / ...