The cells of this cluster inside next to the fluid filled cavity is a region of the blastocyst called the inner cell mass.

而这簇细胞的内侧,毗邻于充满液体的空腔的一侧,这些细胞在囊胚中称为内群细胞

耶鲁公开课 - 生物医学工程探索课程节选

There are different kinds of cell walls in bacteria but they have a rigid cell wall and our cells don't have a rigid cell wall, we have a fluid lipid like cell wall.

细菌有不同种类的细胞壁,但都很坚固,人类细胞没有坚固的细胞壁,我们有一层类似细胞壁的流动的脂类

耶鲁公开课 - 生物医学工程探索课程节选

Research in autism has indicated abnormalities in spinal fluid and chemical signaling in the brain- anecdotal reports of children undergoing stem cell therapy have indicated some potentially encouraging results.

FORBES: Stem Cell Therapy To Treat Autism?

He was part of a team investigating the use of stem cells, which are able to become any other type of cell in the body from nerve to bone, taken from the amniotic fluid which surrounds a developing foetus in the womb.

BBC: Amniotic fluid 'may heal premature baby gut'