They can become anything they want: a brain cell, a heart cell, a bone cell, a lung cell, any adult cell type.

一个脑细胞，一个心脏细胞，一个骨细胞，一个肺细胞，任何一种成熟细胞。

Osteonecrosis, the collapse of bones due to the decrease of blood flow to bone cells.

骨坏死，由于流向骨细胞的血流量减少而导致的骨骼塌陷。

Every seven years, a healthy human body completely replaces every single bone cell.

每七年，健康的人体的骨骼细胞会更新一遍。

To find out how, Bruce Spiegelman and his colleagues at the Dana Farber Cancer Institute and Harvard Medical School took cultured bone cells and located the receptor to which irisin binds.

清改善方式，布鲁斯·斯皮格尔曼和在达纳法伯癌症研究所以及哈佛的同事提取培养骨细胞，并定位鸢尾素结合的受体。

Compact bone tissue on the other hand is quite dense, with no visible spaces. It forms the external layer of your bones and stores calcium for bone cells to use to make more tissue.

骨质致密，没有可见的空隙，形成骨骼的外层，储存钙，供骨细胞用来制造更多的组织。

In the center of these osteons, there are hollow spaces called Haversian canals, which contain the blood supply and innervation for the bone cells.

在这些骨单位的中心，这个中空的部分被称作哈弗斯管，提供骨细胞供应血液以及神经支配的空间。

These are mature bone cells that monitor and maintain your bone matrix.

这些成熟的骨细胞监控和维持你的骨骼基质。

Malignant tumors can either be primary which is when they arise from the bone cells, or secondary, which is when a tumor developed somewhere else in the body, metastasized, and spread to the bones.

恶性肿瘤可以是原发性的，即起源于骨细胞，或者是继发性的，即源于身体其部位的肿瘤转移并扩散到骨骼而形成。

In between neighboring lamellae, there are spaces called lacunae, which contain bone cells called osteocytes.

相邻的同心薄片细胞之间的空间叫做陷窝，其中包含骨细胞。

Now, for bones to grow and develop properly, special bone cells, called osteoblasts, are hard at work.

在骨正常的生长发育过程中，有一种特殊的骨细胞，成骨细胞，起至关重要的作用。

So each of those held one bone cell.

所以每个都包含一个骨细胞。

And researchers have been using sound waves to stimulate stem cells to start the process to turn into bone cells.

研究人员一直在使用声波刺激干细胞，使其开始转变骨细胞的过程。

Thanks to extensive studies on modern animals, we know that these bone cells or Osteons, are laid down in distinctive and different ways by endotherms and ectotherms.

由于对现代动物的广泛研究，我们知道这些骨细胞或骨细胞是由吸热动物和变温动物以独特和不同的方式产生的。

Some become bone cells, others become muscle cells, and still others become skin or nerve cells.

有些会变成骨细胞，有些会变成肌细胞，还有些会变成皮肤或神经细胞。