title: An electron microscope study on a neuro-endocrine complex in the proventricular mucosa of the finch, Uroloncha striata var domestica.
mesh_terms: D000818:Animals; D001485:Basement Membrane; D001717:Birds / Q000033:anatomy & histology*; D005753:Gastric Mucosa / Q000166:cytology; D008854:Microscopy, Electron; D009411:Nerve Endings / Q000166:cytology; D009490:Neurosecretory Systems / Q000166:cytology*; D011531:Proventriculus / Q000166:cytology* / Q000294:innervation / Q000378:metabolism; D012583:Schwann Cells; D013572:Synaptic Vesicles