has_part decreased secondary cell septum thickness thin, incomplete secondary cell septum midori incomplete secondary cell septum with reduced thickness incomplete secondary cell septum with decreased thickness thin, incomplete secondary cell septum during vegetative growth thin, discontinuous secondary septum 2015-05-27T16:07:02Z A cell phenotype observed in the vegetative growth phase of the life cycle in which a cell forms a secondary septum that is thinner than normal and does not extend over the entire cell division site. thin, incomplete secondary cell septum during mitotic cell cycle FYPO:0004654 thin, incomplete secondary septum incomplete septum