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!
... not always have inherently negative implications, it merely designated anyone who assumed power for any period of time without a legitimate basis of authority.
The first ...