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Tag: "femur" at biology news

NC State scientist finds soft tissue in T. rex bones

...s, has succeeded in isolating soft tissue from the femur of a 68-million-year-old dinosaur. Not only is the...ned when they removed the minerals from the T. rex femur fragment. The removal process left behind stretchy bone matrix material that, when examined microsco...

Increased risk of osteoporosis associated with gene that one in five people have

...r than normal bone density in regions of the upper femur near the hip joint. "The data suggest that this particular variation of the gene produces an enzyme that breaks down estrogen faster than usual, leading to low serum estrogen levels and high levels of estrogen metabolites," Villareal says. "Low leve...

Neandertal femur suggests competition with hyenas and a shift in landscape use

...n University in St. Louis, conclude that the human femur fragment found in 2002 in the cave of the Rochers-...ertals and early modern humans. However, this is a femur bone from a Middle Paleolithic Neandertal. It shows in the shape of the femur that a shift to greate...

Rice bioengineers pioneer techniques for knee repair

...ey shaped wedges of cartilage that sit between the femur and tibia and absorb the compressive shock that the bones undergo during walking and running. Over the past 18 months, he and his students Adam Aufderheide and Gwen Hoben have perfected methods of growing meniscus-shaped pieces of cartilage, but they...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...aps of dinosaur protein were wrested from a fossil femur discovered by John Horner, of the Museum of the Rockies, and colleagues in 2003 in Hell Creek Formation, a barren fossil-rich stretch of land that spans several states, including Wyoming and Montana. Schweitzer and colleagues reported in 2005 that th...

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