Figure 1 in Egg Morphology of Five Species of Sea Urchins from Saipan, CNMI

Figure 1. The scanning electron microscope images showing general morphology of eggs along with a close-up image of egg outer membrane surface for each species. (a): Echinometra mathaei (scale bar=30.0 µm), (b): close up view of Echinometra mathaei (scale bar=4.0 µm), (c): Parasalenia poehlii (scale bar=40.0 µm), (d): close up view of Parasalenia poehlii (scale bar=5.0 µm), (e): Eucidaris metularia (scale bar=20.0 µm), (f): close up view of Eucidaris metularia (scale bar=5.0 µm), (g): Colobocentrotus mertensii (scale bar=30.0 µm), (h): close up view of Colobocentrotus mertensii (scale bar=5.0 µm), (i): Mespilia globulus (scale bar=50.0 µm), (j): close up view of Mespilia globulus (scale bar=5.0 µm).