HHMI
The image shows approximately 16 choanocyte chambers, each about 30 micrometers in diameter—about the size of a pollen grain. The green color marks the flagella—hair-like structures that pump the water. The red color marks the cytoskeleton, which includes a structure called the collar (not visible here) that captures the prey. The light-blue regions mark the nuclei of individual choanocytes.
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tags: researchblogging.org, blue feathers, Tyndall scattering, Rayleigh light scattering, schemochromes, white feathers
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