Figure 20.2. Factors affecting S. rafti lifespan. (A) Survivorship of virgin free-living females under optimized culture conditions (400mg/^l streptomycin and E. coli SR) (x,-) and on E. coli OP50 (o,----). (B) Survival and (C) Plots of ln(m(t)) against age for S. ratti (x,--)

and C. elegans (o,-) both in the S, raffi-optimized culture conditions (400mg/^l streptomycin and E. coli SR) and C. elegans (+,--)

in monoxenic culture conditions E. coli 0P50. (D) The estimated number of parasitic females (•) and the percent survival of free-living females (■) over time, which is shown on a log scale. Figures 20.2D, 20.3C, and 20.4C are from Gardner, Gems and Viney, submitted. Figures 20.1, 20.2A-C, 20.3A-B and 20.4A-B are reprinted from Gardner, Gems and Viney, Aging in a very short-lived nematode, Experimental Gerontology Volume 39, 1267-1276 (2004) with permission from Elsevier.

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Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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