Table 1.

Characteristics of the diencephalic boundaries

BoundaryMidbrain-synencephalicIntrasynencephalicSynencephalic/parencephalicZli
Morphological ridge+(+)++1-a
Increased extracellular spaces++
Disrupted interkinetic movement++∼+1-a
CSPG++1-b+
Tenascin++
Vimentin++1-b+
NrCam++

  • ↵F1-a Character appears first ventrally and gradually moves dorsally.

  • ↵F1-b Character seen only at the dorsal aspect of the boundary.