| caudate nucleus n. A basal ganglion located in the lateral ventricle of the brain that has a curved, taillike extension and functions in motor control. |
caudate nucleus n.
An elongated, curved mass of gray matter consisting of three portions: an anterior, thick portion that projects into the anterior horn of the lateral ventricle; a portion extending along the floor of the body of the lateral ventricle; and an elongated, thin portion that curves downward and backward in the temporal lobes to the wall of the lateral ventricle. Also called caudatum.