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

Wheatley Heights, New York

... for a household in the town is $75,076, and the median income for a family is $79,745. Males have a median income of $46,444 versus $34,000 for females. The per capita ...