SEM of Sea Urchin's Spine Segment (IMAGE)

University of New South Wales

SEM of Sea Urchin's Spine Segment

Caption

Left: This is a cross-section of the spine showing its hollow center and porous wall architecture (scale bar = 1.0 millimeter). Right: This is the outer surface of the spine. Barbs point toward the spine's tip (scale bar = 200 micro meters).

Credit

Dr Naomi Tsafnat

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