expresses Pdf cry Rh7 neuronal receptor cell sensory epithelial cell LN Pdf neuron VFB:FBbt_00003762 fly_anatomy.ontology PDFMe pigment-dispersing hormone-immunoreactive neuron close to medulla PDH neuron FBbt:00003762 Lateral period-expressing neuron (LN) of the adult brain that also expresses Pigment-dispersing factor (Helfrich-Forster, 1997). These neurons also express cryptochrome and Rhodopsin 7, which allow them to respond to high frequency (blue) visible light (Ni et al., 2017). LN period neuron photoreceptor neuron neurosecretory cell of adult brain adult sensory neuron adult Pdf neuron