You are very welcome! Enjoy the creepy little thing's pictures.
Good question. In this case, these are already VERY dead. First they are spread out and dried. Then they are dipped in absolute methyl alcohol, so they stay stuck to the glass. Then they are dipped in two different color dyes, rinsed, and dried again. Very dead by that time, as all of their kind should be! )
So you can't watch them die because thay are already dead.
You mentioned the effect of salt on cells. All cells have some salt. .9% salt to be exact.
If you do just the opposite, put them in water with NO salt they do just the opposite. They swell up with water and burst, spilling out any critters that may be hiding inside the cells.
The spirochettes have no such cell membrane, so the water does not destroy them. All that is left is them and some pieces of the blown up cells. Makes the little devils easier to spot!
Antibiotics kill these so slow, if you could somehow watch them while alive you would get VERY, VERY tired waiting for them to die I think.
If you found something that killed them quick it would kill you too I;m afraid. Tough little devils they are!
The ring form with the dark center in the middle photo, above the organism that may be a spirochete, looks like Babesia. The quality of the picture makes it hard to say for sure and also it's more likely to be Babesia when you see this form inside red blood cells, as well as the other stages of the life cycle (especially the cross which is pathonomonic).
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If looking for Babs, isn't there some sort of dye used by the labs?
It would be very neat if somehow we could see such critters with our own microscopes. I, for one, wouldn't mind spending hours looking at a smear. Labs don't always have the manpower to spend that much time on one sample.