c. of Goll. posterior median c

See funiculi graciles cerebelli, under funiculus, posterior nuclear c. of the central gray substance, posterior vesicular c. c.SeeA Clarke's terior white segment c. pos of white substance in the posterior portion of the cord, bounded internally by the posterior median fi ure, externally by the posterior nerve roots. This is further divided into the postero-internal and postero-external c. postero-external c, posterolateral c. See fasciculus cuneatus, under fasciculus. See c. of Goll. pro to vertebral c's. The inner, thick, longitudinal columns, one on each side, formed from the inner layer of the mesoblast (q. v.) early in the development of the embryo, and which by transverse cleavage give rise to the pro to vertebral somites, restiform c.