The astronauts' decrease in bone strength measured from point six percent to five percent for each month spent on the space station.

VOA: special.2009.03.10

All these cells come from the bone marrow and biologists have traced the formation of these cells in great detail.

所有这些细胞都来自骨髓,而生物学家已经很详细地,研究了这些细胞的形成过程

耶鲁公开课 - 生物医学工程探索课程节选

There's a lot of interest in bone marrow and the stem cells that come from bone marrow and there's a couple of reasons for this.

人们对骨髓以及从骨髓中,提取的干细胞有着浓厚的兴趣,这其中有多种原因

耶鲁公开课 - 生物医学工程探索课程节选

Visitors can see examples of northern people's clothing, transportation and art including sculpture made from soapstone, whale bone and caribou horn as well as view native diamond polishing.

VOA: standard.2010.02.19

The other is that it's possible to get stem cells from patients, from bone marrow.

另外一个原因就是从病人的骨髓中,取得干细胞是可行的

耶鲁公开课 - 生物医学工程探索课程节选

This pluripotent stem cell from bone marrow is an example of a stem cell, an adult stem cell, a stem cell that could be identified from the blood.

这种骨髓中的多能干细胞,是干细胞的一个代表,一个成人的干细胞,可以在血液中检测到的

耶鲁公开课 - 生物医学工程探索课程节选

By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.

举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能

耶鲁公开课 - 生物医学工程探索课程节选