Monday, November 21, 2005

Cellularity demystified

Hi:

Had one of my jogs with Kristen and managed to talk about cellularity. While it's exciting to know that Bonnie's cellularity has grown from 5 to 25%, occasionally I find it helpful to have a vague clue about what this means.

Well, it turns out the "normal" cellularity of bone marrow is about 50%, which means that 50% of your bone marrow is stem cells, and the remaining 50% is fat. So, Bonnie is well on her way towards a normal count of 50% which is encouraging. As for the rest of us, as we age, our cellularity is decreasing due to the normal processes of age -- we'll criss-cross with Bonnie in a matter of years!

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