prepared by subcommittees of the International Anatomical Nomenclature Committee appointed at the seventh International Congress of Anatomists in New York, 1960, based upon provisional versions approved by the ninth international congress in Leningrad, 1970 ; Excerpta Medica, Elsevier North-Holland. -- 4th ed., and approved by the tenth International Congress of Anatomists at Tokyo, August 1975. -- Excerpta Medica, 1977.