Mouse Pupil (image)

Caption
Mouse sphincter muscle fibers (green), with melanopsin-containing fibers shown in red. The dotted line marks the boundary between the pupil and sphincter.
Credit
Johns Hopkins Medicine
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Johns Hopkins Medicine
Mouse sphincter muscle fibers (green), with melanopsin-containing fibers shown in red. The dotted line marks the boundary between the pupil and sphincter.
Johns Hopkins Medicine
None
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