part of expresses eve developing embryonic structure embryonic pericardial cell somatic precursor cell embryonic precursor of scutellar pulsatile organ 2018-05-31T09:42:05Z An Even-skipped (Eve) positive pericardial cell that will differentiate into a scutellar pulsatile organ progenitor during late embryonic development. These are found as two pairs of two cells in each of parasegments four and five (eight cells in total). embryonic precursor of wing heart fly_anatomy.ontology wing heart precursor FBbt:00047209 scutellar pulsatile organ anlage