Chilodonella or Trithigostoma

olivier barth · Post by **olivier barth** » Fri Jul 06, 2007 12:50 am

Hi everybody,
A COL picture of Chilodonella or Trithigostoma(not sure,these genus are very close).I use lugol(small amount) to fix it.
best regards.

olivier barth · Post by **olivier barth** » Mon Jul 09, 2007 7:40 am

Hi folks,
to complete this topic,a picture of a dorsal view:we can see a single row of bristles,typical of trithigmostoma.
notice the proeminent macronucleus.
best regards.

rjlittlefield · Post by **rjlittlefield** » Mon Jul 09, 2007 8:37 am

Really excellent pictures, Olivier!

I presume that "lugol" refers to Lugol's Iodine, a solution of iodine and potassium iodide in water. I have never used this. In the amount that you used, did it kill the protozoa as well as staining it?

--Rik

olivier barth · Post by **olivier barth** » Mon Jul 09, 2007 9:07 am

Hi Rik,
thanks for your comments

yes it's lugol's iodine,and protozoa are killed,but remain intact during a few minutes.

Charles Krebs · Post by **Charles Krebs** » Mon Jul 09, 2007 12:21 pm

Oliver...
Excellent images. You are showing superb details in this specimen!

olivier barth · Post by **olivier barth** » Mon Jul 09, 2007 12:50 pm

Hi Charles,
tanks for your comments.precise determination often need lot of details,and it'snt easy...oblique light help to do it well.
best regards.