title: Transneuronal transport in the frog visual system.
mesh_terms: D000818:Animals; D001370:Axonal Transport; D009900:Optic Nerve / Q000378:metabolism; D011392:Proline / Q000378:metabolism*; D011893:Rana esculenta; D011896:Rana temporaria; D013477:Superior Colliculi / Q000378:metabolism; D014795:Visual Pathways / Q000378:metabolism*; D014981:Xenopus
chemical_list: D011392:Proline