The heterogeneity may reflect typical lifespans of these cells. (joslin.org)
An imaginary typical lifespan case, «Jean» is used, and for each stage of development a general description illustrates the typical traits behind the case. (cyc-net.org)
Typical lifespan of the Old English Mastiff, Great Dane, Greater Swiss Mountain Dog, and Leonberger is 6 - 10 years. (yourpurebredpuppy.com)