Unlike most tissues, the retina doesn't summon neutrophils--the body's typical first responders--when injured. Instead, microglia, the brain's resident immune cells, handle photoreceptor damage without calling for backup.
Unlike most tissues, the retina doesn't summon neutrophils--the body's typical first responders--when injured. Instead, microglia, the brain's resident immune cells, handle photoreceptor damage without calling for backup.
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