Genus: Oral polykinetids straight, never sigmoid (Illustrated Guide, 1985).
Small, ovoid or pyriform, anterior pointed; cytostome anterior 1/3 of body where an undulating membrane
on the right and three small membranelles on the left; macrostome forms with large buccal ciliation;
somatic ciliation complete; a contractile vacuole terminal; a spherical macronucleus central (Carey, 1992).
Species: |
50 μm
100 μm
150 μm; x 400
Tetrahymena thermophila, axenic culture,
cell body μm long, μm wide,
x 400, Japan, 199? by Y. Tsukii
50 μm
100 μm
150 μm; x 400
