All of the following descriptions refer to dorsal column– medial lemniscal ascending pathways except one: (a) they include the fasciculus gracilis and fasciculus cuneatus; (b) they include a chain of...

All of the following descriptions refer to dorsal column– medial lemniscal ascending pathways except one:

(a) they include the fasciculus gracilis and fasciculus cuneatus;

(b) they include a chain of three neurons;

(c) their connections are diffuse and poorly localized;

(d) they are concerned with precise transmission of one or a few related types of sensory input.