stage 3 neuroblast FBbt:00001393 SIII neuroblast A neuroblast delaminating in the third wave of neuroblast delamination from the ventral neurectoderm. This wave begins during embryonic stage 10 and end during stage 11, and the neuroblasts generally delaminate into the medial and lateral edge of the neuroblast array (Doe, 1992). S3 neuroblast VFB:FBbt_00001393 fly_anatomy.ontology S3 NB neuroblast