Alone in their Petri dishes, embryonic stem cells are primed for anything, making them unique tools for research and therapy.

胚胎干细胞单独存放在皮氏培养皿中，为一切做好准备，这使它们成为研究和治疗的独特工具。

youdao

The means for doing so were found in a special moldable agarose gel, dubbed 3-D Petri dishes, that encourage cells to grow into certain shapes and structures.

他们发现专用的可塑琼脂糖胶（被称为3-D培养皿）就能刺激细胞，使之发育成特定的形状和结构。

youdao

The stem cells themselves are extracted from cattle muscle and then multiplied a millionfold before they are put in Petri dishes and allowed to turn into muscle cells.

那些干细胞从牛肌肉中提取，在放入培养皿和变成肌细胞之前，干细胞还要经过上百万次繁殖。

youdao

Okarma said FDA scrutiny was stringent, and that researchers studied the cells in petri dishes and in animals before obtaining permission to test them in humans.

CNN: FDA approves human embryonic stem cell study

The first light-activated neurons were cultivated as layers of cells in Petri dishes, but researchers were quickly able to make the technique work in flies, worms, zebrafish, mice, and monkeys.

WSJ: Scientists Cast Light Onto Roots of Illness Deep in the Brain