develops into scutellar pulsatile organ anlage scutellar pulsatile organ anlage 2018-05-31T11:07:58Z FBbt:00047211 wing heart anlage Precursor structure consisting of eight cells, which differentiate from embryonic precursor of scutellar pulsatile organ cells to scutellar pulsatile organ progenitor cells in the embryo. These cells then divide and relocate in the late larva and pupa to form the scutellar pulsatile organ. fly_anatomy.ontology