Medical Term:
vastus lateralis (muscle)
Definition: lateral head of quadriceps muscle of anterior (extensor) compartment of thigh; origin, lateral lip of linea aspera as far as great trochanter; insertion, tibial tuberosity by way of the common tendon of quadriceps femoris and patellar ligament; action, extends leg; nerve supply, femoral.
Synonym(s): musculus vastus lateralisTA, lateral great muscle, lateral vastus (muscle), musculus vastus externus
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