The company's femur implant is dense where stiffness and strength is required, but it also has strong lattice structures which would encourage the growth of bone onto the implant.

该公司研制的植入股骨头在硬度和力度需要高的地方更加坚实，但同时它也有丰富的格状结构，有利于新生骨头向植入骨头里生长。

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Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.

也许是因为它促进钙质吸收的作用，高剂量维生素D确实显示出有助于维持股骨颈（靠近髋关节的大腿骨顶部）的骨密度。

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To test the technique, researchers compared measurements of bone thickness at the femur, hip and spine using the gold standard approach of bone mass density, and their new technique.

为了验证这项技术，研究者应用金标准的方法和他们的新技术比较了股骨的骨厚度，髋骨和脊柱骨。

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On the lake's northern shore, a fossil of a giant femur bone, bigger than an adult man, leans against a rock-face and signals your arrival at the Lago Barreales Paleontological Center.

BBC: The dinosaur route of northwest Patagonia

The femur is the strongest and longest bone in the body.

NPR: 'Miracle Workers' Save Lives at Balad Field Hospital