pelvic complex muscle M. sartorius This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon UBERON:3010027 Originates on the ventral pelvic rim, the pubic region, and the ventral surface of the adductor longus. The insertion bifurcates distally; the ventral portion attaches to the aponeurosis of the cruralis and the dorsal part attaches to the distal attachment of the gracilis major, the semitendinosus, and to the aponeurosis of the cruralis.