Rake Deduction from Pot Odds

[LesWormMurphy]

Having just read a post somewhere, something caught my attention that makes some sense. Somebody posted a hand of his and paranthesized his rake deduction from the bets counted. So his post looked something like:

3.5 Small Bets (-.5 because of rake)

I never even considered deducting the rake from the size of the pot but thinking about it now, it does make sense. If money is being taken away from the pot, and your still counting it, doesn't that change your pot odds? For example, with the pot laying at 10.5-to-1, you decide to call for your gutshot chase.. but really, the pot is at 8.5-to-1 because the rake took away money.

Some help is greatly needed,
Thanks.