Research Article

Structural Arrangement and Properties of Spicules in Glass Sponges

Figure 7

Triboluminescence of the spicules of hexactinellid sponges: (a) an intact spicule of Monorhaphis chuni; (b) its appearance after local thermal impact. Concentric layers are destroyed, but the central cylinder remains intact. Scale: 50 μm.
535872.fig.007a
(a)
535872.fig.007b
(b)