4 pictures
Franz
1.) Obj. 20x Ph

2.) Obj. 20x Ph, the lorica from outside; you see the spiral

3.) Obj. 20x DIC - for comparison with Phasecontrast

4.) Obj. 40x Ph, you see the inner structure of the wall from the lorica

Moderators: Chris S., Pau, Beatsy, rjlittlefield, ChrisR
...at this site: http://www.liv.ac.uk/ciliate/glossary.htmLorica (L)
A "house", test, envelope, or case, secreted and/or assembled by ciliates, generally fitting the body loosely, opening at one (anterior) or both ends. Clearly visible in Lugol’s fixed material. In planktonic samples, primarily made by tintinnids