ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SIR á€" The skeleton of demosponges and hexactinellids is generally composed of spicules consisting of amorphous hydrated silica (opal)1 laid out around a proteic axial filament2. Spicules constitute a mechanical support and act as deterrents to predators3. The presence of a ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/383397b0
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