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!
... is a municipality in central Sweden, in the county of Dalarna. The municipality covers an area of 1500.7 km². Of the total population of 26450, 13112 are ...