9) or non identified, which is in accordance with reports of many authors mentioning the median arcuate ligament like a fibrous bridge,
aciform and transversally displayed forming the inferior margin of the hiatus aorticus of the diaphragm (Debray & Leymarios; Fadhli; Harjola; Harjola & Lahtiharju, 1968; Marable et al., 1968; Cormier & De La Fontaine; Edwards et al., 1970; Gautier-Benoit et al., 1970; Houdard et al.; Curl et al.; Di Marino et al., 1972; Dreze et al.; Conti et al.; Joubaud et al.; Houssin et al.; Langeron et al.; Daskalakis, 1982; and Bacourt et al.).