gracilis Definition

the most superficial muscle of the inside of the thigh that arises from the lower part of the pubic symphysis and the anterior half of the pubic arch and that has its tendon inserted into the inner surface of the shaft of the tibia below the tuberosity, and that acts to adduct the thigh and to flex the leg at the knee and to assist in rotating it medially

either of a pair of nerve tracts of the posterior funiculus of the spinal cord situated on opposite sides of and immediately adjacent to the posterior median septum and carrying nerve fibers from the lower part of the body —called also gracile fasciculus

a nucleus in the posterior part of the medulla oblongata in which the fibers of the fasciculus gracilis terminate