title: Electron microscopic evidence for a retinohypothalamic projection to the suprachiasmatic nucleus of Passer domesticus.
mesh_terms: D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D007031:Hypothalamus / Q000033:anatomy & histology*; D008027:Light; D008297:Male; D008854:Microscopy, Electron; D009410:Nerve Degeneration; D012160:Retina / Q000294:innervation* / Q000502:physiology / Q000601:surgery; D013737:Testis / Q000254:growth & development; D014795:Visual Pathways / Q000648:ultrastructure*