Blood.
This could be called colouration, the colour of urine, tinting, etc.. depending on your context.
Yes, it can tint it pinkish.
It appears if turn your urine red/pinkish and smell like vitamin B.
Dehydration
No, clear urine just indicates that you are properly hydrated (as opposed to any colouration, which often means dehydration).
what causes inflamation to be in ones urine
Insulin affects the concentration of glucose in the urine.
I guess so. Because I just took a shot of it and my first urine came a little red. Actually pink. I read on the net and B complex vitamins seems to, in fact, change urine's color.
The chemicals in the urine
The most usual cause of blood in the urine is a kidney stone.
Aids
Matt dobbins