20101204

Finals!

For the take home final I am currently trying to model neurogenesis (birth of neurons) in the human neocortex (developing brain) where there is asymmetric division of progenitors (number of cells we start with increases additively) and the total number of cells cycling (number of cells that will keep giving birth to neurons) changes over the course of days. I only have three time points to establish a trend for the cycling bit which means that the accuracy should be shot to hell, except I suspect since I'm dealing with billions in terms of orders of magnitude it may not be that bad. Assuming the length of cell cycle is constant in the neocortex.

This, unfortunately, will be the least painful part of the entire exam.

[edit 16:48]
Does anyone find it strange to read "animal with a window implanted in its skull"?

[edit 18:23]
Have just spent almost two hours reading & writing about brain tumors, central nervous system metastasis, and therapy resistance. Am feeling very depressed now but still must finish this problem....

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