Posted by: Lister | October 8, 2007

T-Rex soft tissue

Scientists recover T-Rex soft tissue.

For more than a century, the study of dinosaurs has been limited to fossilized bones. Now, researchers have recovered 70 million-year-old soft tissue, including what may be blood vessels and cells, from a Tyrannosaurus rex.

[…] The soft tissues were recovered from the thighbone of a T. rex, known as MOR 1125, that was found in a sandstone formation in Montana. The dinosaur was about 18 years old when it died.

The bone was broken when it was removed from the site. Schweitzer and her colleagues then analyzed the material inside the bone.

“The vessels and contents are similar in all respects to blood vessels recovered from … ostrich bone,” they reported in a paper bring published Friday in the journal Science.

[…] The bone matrix was stretchy and flexible, she said. Also, there were long structures like blood vessels. What appeared to be individual cells were visible.

Jurassic Park moves one step nearer. 😀

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