Frog blood, light microscopy. Unlike mammalian erythrocytes (red blood cells) mature frog erythrocytes retain their nuclei. Magnification: x400.

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Size: 2837px × 2126px
Location: Volyn region. Ukraine.
Photo credit: © Yaroslav Stepaniuk / Alamy / Afripics
License: Royalty Free
Model Released: No

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