neurosecretory cell of brain pupal Pdf neuron pupal l-LNv Pdf neuron 2010-07-16T11:44:02Z VFB:FBbt_00100174 pupal large LNv pupal large pigment-dispersing hormone-immunoreactive neuron close to medulla. pupal lLNv FBbt:00100174 large PDFMe fly_anatomy.ontology Pdf (FBgn0023178) neuron of the pupal period-expressing LNv cluster with a large cell body and generally located more dorsally than the s-LNv neurons. These cells begin to express Pdf at approximately 50% of pupal development. pupal LN period neuron