當(dāng)培養(yǎng)細(xì)胞由于增殖而長(zhǎng)滿(mǎn)瓶壁時(shí),即達(dá)到了所謂的飽和密度(saturationdensity)。此時(shí),正常細(xì)胞則不再分裂;而惡性細(xì)胞則由于重疊生長(zhǎng)(overlaping),細(xì)胞層較厚,易于從瓶壁上成片脫落下來(lái)。為此傳代(subculture)便勢(shì)在必行了。所謂傳代,簡(jiǎn)單 (共 1804 字) [閱讀本文] >>
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 當(dāng)培養(yǎng)細(xì)胞由于增殖而長(zhǎng)滿(mǎn)瓶壁時(shí),即達(dá)到了所謂的飽和密度(saturationdensity)。此時(shí),正常細(xì)胞則不再分裂;而惡性細(xì)胞則由于重疊生長(zhǎng)(overlaping),細(xì)胞層較厚,易于從瓶壁上成片脫落下來(lái)。為此傳代(subculture)便勢(shì)在必行了。所謂傳代,簡(jiǎn)單 (共 1804 字) [閱讀本文] >>