title: Unified nomenclature for the semaphorins/collapsins. Semaphorin Nomenclature Committee.
mesh_terms: D000818:Animals; D006801:Humans; D008562:Membrane Glycoproteins / Q000737:chemistry* / Q000145:classification* / Q000235:genetics; D009414:Nerve Growth Factors / Q000737:chemistry / Q000145:classification; D040121:Semaphorin-3A; D009626:Terminology as Topic
chemical_list: D008562:Membrane Glycoproteins; D009414:Nerve Growth Factors; D040121:Semaphorin-3A