Blood Cells Found in Dinosaur Fossils
Researchers have found what appears to be red blood cells and connective tissue, discovered in 75 million-year-old dinosaur fossils.
Researchers studying a fossilized dinosaur claw at the Imperial College in London have discovered microscopic ovoid structures in it that appear to be red blood cells. Another fossil fragment held fibrous features that resemble collagen, that makes up tendons and ligaments. These tissues are not fossilized, but are rather remnants of soft tissue.
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