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  1. malformalady:
“ Tapetum lucidum eyeshine in a deer. The tapetum lucidum is a layer of specially adapted cells behind the retina that reflect light. When a bright light shines on the tapetum, it reflects a bright glow that can be seen from a...

    malformalady:

    Tapetum lucidum eyeshine in a deer. The tapetum lucidum is a layer of specially adapted cells behind the retina that reflect light. When a bright light shines on the tapetum, it reflects a bright glow that can be seen from a distance.

    (via cake-crumb)