The morning was surrounded by expelled pellets composed largely of "unhealthy" (i.e., asymmetrical and dark) dinoflagellate cells (113); this peak equated to 1 unhealthy symbiont per host digestive cell out of an average of 2.67 symbionts per cell. Titlyanov et al. (364) considered this degradative process as "digestion," based on four criteria: (i) its occurrence inside the host's gastrodermal ce