Blood Flow in the Frog Web

Collection 000013. Blood flow in the web of  Xenopus laevis filmed under Interference Contrast Microscopy. The black dots are melanocytes that can expand greatly to darken the skin when required. The red blood cells have a more slipper-like shape because they contain a nucleus. This is more representative of blood flow in amphibians, reptiles and even birds than in humans.


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© David Barlow 2018