A microscopic view reveals a spiky, spherical structure with a central cluster of rounded protrusions surrounded by numerous sharp, needle-like spikes radiating outward.
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A microscopic view reveals a spiky, spherical structure with a central cluster of rounded protrusions surrounded by numerous sharp, needle-like spikes radiating outward.

A microscopic view reveals a spiky, spherical structure with a central cluster of rounded protrusions surrounded by numerous sharp, needle-like spikes radiating outward.