n.small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals

同義詞：spiculum

Solar spicules
Mass spicules detection and tracing from digital mammograms
A Tale of Two Spicules: The Impact of Spicules on the Magnetic Chromosphere
Nonlinear Alfvén wave model of spicules and coronal heating
Solar chromospheric spicules from the leakage of photospheric oscillations and flows
Solar Spicules: A Review of Recent Models and Targets for Future Observations – (Invited Review)
Siliceous spicules and skeleton frameworks in sponges: Origin, diversity, ultrastructural patterns, and biological functions
Defenses of Caribbean sponges against predatory reef fish. II. Spicules, tissue toughness, and nutritional quality
The Transient Phase of Amorphous Calcium Carbonate in Sea Urchin Larval Spicules: The Involvement of Proteins and Magnesium Ions in ...
Co-expression and functional interaction of silicatein with galectin: matrix-guided formation of siliceous spicules in the marine de...