Skip to main content
Fig. 3 | Frontiers in Zoology

Fig. 3

From: Insights into the structure and morphogenesis of the giant basal spicule of the glass sponge Monorhaphis chuni

Fig. 3

Morphological features of a Monorhaphis spicule along its length in reflected light (a–c) and with SEM (d). a Lower part of the spicule displaying the annular surface (AL). b Intermediate region showing annular (AL) and tuberculate layers (TL). c Upper portion of the spicule showing the plain glassy surface (PG). d Broken lower portion of a spicule showing all three structural units superimposed

Back to article page

Frontiers in Zoology

ISSN: 1742-9994