File:Jmse-11-00001-g007+.jpg - Wikimedia Commons

Description

English: Syndinium sp. ex Paracalanus parvus: (a). Transmission electron microscopic ultrathin section showing separating chromosomes (Ch) and centrioles (white arrows). Scale bar = 0.25 µm.
(b). Line drawings of the different stages of chromosome segregation a, b, c. Late stages of chromosome segregation. Central spindle in cytoplasmic channel throughout the nucleus, d. Division of nucleus, e. Early daughter nucleus with persisting channel and microtubules, f.
Reprinted/adapted with permission from Ris, H.; Kubai, D.F. An unusual mitotic mechanism in the parasitic protozoan Syndinium sp. In: J. Cell Biol. 1974, 60, 702–720.