The results of growth hormone (GH) determination, cell stain and computer image analysis showed that cells of both fresh and cryopreserved pituitary were of biological viability.
经生长激素(GH)测定、细胞染色及计算机图像分析，证明胎儿垂体细胞冻存前、后经体外培养均有活性。
2
Determination of the strength or biological activity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a test organism.