How do different genes get turned on (" expressed ") or off (" silenced ") in just the right combinations to produce heart cells, bone cells and brain cells?
不同的基因是如何以适当的组合方式来开始(表达)或停止(沉默)自己的工作，从而制造心脏、骨骼以及脑部细胞呢？
X-rays and other forms of radiation were known to kill cells and these were aimed at lymph glands near and distant, on sites of secondary cancer spread in bone and lung and brain.
X射线和其他的射线可以杀死细胞，这些射线以近端和远端的淋巴结为目标，瞄准在骨头里、肺里和脑里扩散的继发肿瘤（转移瘤）。
These cells originate in the bone marrow and wind up in the brain, where their job is to fight off infections.
这些细胞在骨髓中生成，在大脑中发挥作用，其功能是抵抗感染。
Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by the set of ring-shaped bones called vertebrae that make up the spine.
脑和脊髓都受骨骼保护：脑由颅骨保护，而脊髓则由脊柱保护(一组环状的椎骨共同构成了脊柱)。
Fragments of bone were forced in to Towton 25’s brain, felling him.
骨头的碎片迸入了他的大脑，终于使他倒地不起。
The use of bone marrow stem cells is safe in treating children with brain trauma, a team from the University of Texas Health Science Center at Houston determined.
休斯顿德克萨斯大学的一支团队决定使用骨髓干细胞来治疗儿童的脑部创伤，因为这种治疗方法对孩子们也安全。
Diet drinks are not as good an option as water because some evidence indicates they trick our brain into wanting more sweets and other studies show they might contribute to bone loss.
低卡路里的饮料相对于纯水来说不是一个好的选择，因为证据显示低卡路里饮料诱使大脑想获得更多的糖，其他研究显示它们还可能导致骨质疏松。
Physical therapists help patients with brain or bone injuries regain control of their muscles.
物理治疗师帮助大脑或骨骼受伤的患者重新恢复其肌肉控制力。
Now when Motorola boasts the brain-crushing, bone-splitting power of the Xoom, the company could easily come off like the guy who buys the red Ferrari because he has something to prove.
通过宣传XOOM超越人脑、撕裂骨髓的力量，摩托罗拉很容易变得像买下红色法拉利的家伙一样，因为他需要证明一些东西。
Bone formation appears to be controlled by serotonin, a chemical that had been known mainly for its entirely separate role in the brain, researchers are reporting.
研究显示，骨形成似乎是受血液中的复合胺控制的，而过去复合胺被认为只作用于大脑。
Conclusion Standard large bone flap craniotomy is a preferable method for treating severe brain trauma. It can reduce mortality rate and improve living quality of patients.
结论标准大骨瓣开颅术是治疗重型颅脑损伤的较好方法，可减少死亡率，提高患者的生存质量。
Bone morphogenetic proteins inhibit the tumorigenic potential of human brain tumour - initiating cells.
骨形成蛋白能抑制人类脑部肿瘤起始细胞的致瘤潜能。
CT: Unenhanced CT of the head in brain and bone windows demonstrate gyriform cortical calcifications along the left occipital lobe.
颅脑CT平扫的脑窗及骨窗示左枕叶皮层可见脑回样钙化。
In fact, the spine is more critical to our well-being than the brain, since the brain is well protected by the cranium or skull bone.
事实上，脊椎更重要的是我们远远不是脑部，由于大脑深受头骨或头骨的保护。
The most common sites of metastasis are regional lymph nodes, lung, liver, brain, skin, and bone.
常见的转移位置为淋巴结、肺、肝、脑、皮肤及骨头，骨骼肌肉内转移则非常罕见。
The major androgen target organs of interest in regards to beneficial effects of TRT include bone, muscle, adipose tissue, the cardiovascular system and the brain.
TRT有益效应相关的主要雄性激素靶器官包括：骨、肌肉、脂肪组织、心血管系统和脑。
To explore the clinical effect of standard trauma big bone flap pressure-reduction operation on severe brain injury.
探讨标准外伤大骨瓣减压术治疗重型颅脑损伤的临床效果。
Fluoride mechanism has been shown by illustrating the damage effects of fluoride on bone, tooth, liver, kidney, brain, stomach nervous system, endocrine system and generational system in this essay.
从氟对骨相组织牙齿和骨骼，非骨相组织肝脏、肾脏、脑、胃肠道、中枢神经系统、内分泌系统及生殖系统不同程度的损伤作用入手，较深入的探讨了氟的毒性作用机制。
Methods By sub chronic experiment in rats, changes of Cu and Zn in serum and their distribution in liver, muscle, bone and brain were detected.
方法通过大鼠亚慢性试验，分析血清锌、铜水平变化及肝、肌肉、长骨、脑中锌、铜的分布情况。
The levels of Fe in the serum, brain and bone samples was determined by flame atomic absorption spectrometry using the pulse nebulization technique.
采用脉冲微量进样火焰原子吸收光谱法测定血清、脑组织及骨中铁含量。
Polyanhydrides have been considered to be useful biodegradable polymers as carriers of drugs to various organs of the human body such as brain, bone and blood vessels.
聚酸酐材料是一种良好的生物可降解材料，它可以作为药物载体将药物递送入人体的各个器官，如脑、骨骼、血管等，也可作为基因的载体对患者进行基因治疗。
Objective to explore the reservation of bone flap in the surgical treatment of early stage brain hernia secondary to cerebral local contusion and laceration in a single lobe of brain.
目的探讨单脑叶为主的局限性脑挫裂伤早期脑疝手术治疗中能否保留骨瓣问题。
I felt that he and I were the same sort of person, that there was something in my brain and heart, in my blood and bone, that connected me to him for ever.
我觉得他和我是一类人，在我的脑中，心中，在我的血中，骨中，已经有什么东西把我个他永远联系在一起了。
They can also arise in endochondral bone; or primitive mesenchymal cells in the brain, meninges, membranous bone, or soft tissue.
它们可以起源于软骨内骨、或者脑内的间充质细胞、脑膜、膜内成骨或者软组织。
CONCLUSION: The healing of fracture combined with brain injury is significantly better than simple bone fracture.
结论：合并脑损伤的骨折其愈合质量明显优于单纯骨折者。
The researchers focused on phytonutrients – plant compounds believed to boost the health of the eyes, bone, heart, brain and immune system, cutting the risk of heart disease, cancer and diabetes.
研究人员集中研究营养素——植物化合物被认为对人们的眼睛、骨骼、心脏、大脑和免疫系统有益，同时还能有效降低心脏病、癌症和糖尿病的风险。
The researchers focused on phytonutrients – plant compounds believed to boost the health of the eyes, bone, heart, brain and immune system, cutting the risk of heart disease, cancer and diabetes.
研究人员集中研究营养素——植物化合物被认为对人们的眼睛、骨骼、心脏、大脑和免疫系统有益，同时还能有效降低心脏病、癌症和糖尿病的风险。
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