In pumps. Flexible impeller of cooling system pump of an outboard engine. An impeller is a rotating component of a centrifugal pump, usually made of iron, steel, bronze, brass, aluminium or plastic, which transfers energy from the motor that drives the pump to the fluid being pumped by accelerating the fluid outwards from the center of rotation.
noun, plural: dorsal root ganglia. (neuroanatomy) The ganglion on the dorsal root of every spinal nerve. It is where the cell bodies of sensory neurons are located; hence, it is chiefly involved in the transmission of sensory information.
dorsal striatum. those portions of the caudate nucleus and especially the putamen located generally superior to a plane representing the anterior commissure; also called the dorsal basal ganglia; may function in motor activities with cognitive origins.Synonym(s): striatum dorsale [TA].(stri-a'tum) [L., grooved].orsal striatum. those portions of the caudate nucleus and especially the putamen located generally superior to a plane representing the anterior commissure; also called the dorsal basal ganglia; may function in motor activities with cognitive origins. Synonym(s): striatum dorsale [TA]. (stri-a'tum) [L., grooved].