In contrast, the claw, because it is made of bone has a somewhat spongy texture.

相反 因为爪子是质能看出有一些小孔。

Beneath their pierced, distended earlobes there dangled strings of beads made from bone.

他们耳垂子，割开了和拉长了，挂着质耳环。

Scientists looked at small pendants made of bony material from the sloths.

科学家们观察了由巨型质材料制成小吊坠。

It can also prevent osteoporosis, a disease in which bones become brittle.

它还可以预防质疏松症，一种质变脆疾病。

The monster's mouth--a beak made of horn and shaped like that of a parrot--opened and closed vertically.

这头怪物嘴——像鹦鹉喙一样是质——垂直地一张一翕。

Let me guess-- about my bone density.

让我想想 关心我质密度。

And this can lead to conditions like osteoporosis.

造成像质疏松症条件。

Kids with weaker bones faced an increased risk of fracture and osteoporosis in their later life.

骼较弱孩子在晚年遭遇折和质疏松风险增加。

There's a bony support inside bird tongues called the hyoid.

在鸟舌头里面有一种叫做舌质支撑。

Treatment for osteoporosis usually relies on bisphosphonate drugs like alendronate and risedronate.

质疏松治疗通常依赖酸盐类药物，例如阿仑唑奈、利塞酸盐。

People with osteoporosis don't usually have symptoms until a fracture occurs.

患有质疏松症人群一般在折发生前没有任何症状。

Behind the boss, protecting the neck and shoulders, Pachyrhinosaurus sported its other distinguishing feature, a bony headdress called a frill.

在圆凸后面，肿鼻角龙还有另一个独特结构保护着颈部和肩部，一个质头饰，称为褶边。

And it could inform research into the prevention and treatment of osteoporosis.

并且它还能为关预防和治疗质疏松症研究提供重要信息。

Osteoporosis is usually diagnosed with a dual-energy X-ray absorptiometry or DEXA scan which tests for bone density.

质疏松诊断一般利用能X线吸收法（DEXA扫描）测量患者密度来完成。

By comparison, your average elderly person experiences 1-2 percent bone loss every YEAR.

相比之下，普通老年人平均每年会经历 1-2% 质流失。

Now, X-ray imaging of rickets and osteomalacia might show signs of decreased bone mineral density or osteopenia.

佝偻病和软化症X线检查，可能会有矿物质密度减低即质缺乏征象。

And even the claw today, the bony part of the claw, is about four inches long or so.

即便到了现在，爪子质部分长度也有十多厘米。

All you lost was free treatment for osteoporosis.

你少只是免费治疗质疏松机会。

As it is the most sensitive organ, our brain is kept inside the bony covering called skull.

因为它是最敏感器官，我们大脑被保存在叫做颅质覆盖物中。

In contrast, the sharp bright white areas are where the dense bone material blocks photons from getting through.

与之相反，明亮白色区域是密度较高质，它们可以阻挡光子透过。