The occurrence of a cyclosis-like phenomenon in human lung cancer cells in vitro.

portion of the cytoplasm and resulted in a continual, circling motion around a central cell mass. Special aspects of the stream ing were the relatively constant cycling time of 1 min, the gel-sol interphase appearance, reversal of direction, the occurrence of exactly proportioned biphasic forms, and the invariable presence of cohesion loss and cell rounding. The initiation of the move ment, the general association with "death agony," and the