human_reference_atlas Homo sapiens sartorius muscle http://upload.wikimedia.org/wikipedia/commons/a/af/Sartorius.png sartorius muscle FMA:22353 MA:0002368 NCIT:C33515 UMLS:C0224434 The Sartorius muscle - the longest muscle in the human body - is a long thin muscle that runs down the length of the thigh. Its upper portion forms the lateral border of the femoral triangle. Wikipedia:Sartorius_muscle The ambiens of reptiles and the iliotibialis of amphibians are likely homologues of the sartorius. Kardong KV, Vertebrates: Comparative Anatomy, Function, Evolution, Fourth Edition (2006) McGraw-Hill, p.391 [VHOG:0001192] M. sartorius musculus sartorius sartorius muscle sartorius The ambiens of reptiles and the iliotibialis of amphibians are likely homologues of the sartorius.[well established][VHOG] AS BTO:0001215 EHDAA:10583 We do NOT group this AAO class here at this stage until further evidence of shared attachments VHOG:0001192 UBERON:0001373 uberon SCTID:181683006 EMAPA:37693 No iliotibialis in AAO - M. sartorius has def: '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.' [AAO:0010027] ambliens galen:Sartorius EHDAA2:0001776 muscle organ Muscle of anterior compartment of thigh