Table 3.

Laminar features of cortical types in the neocortex

Laminar features	Agranular	Dysgranular	Eulaminate I	Eulaminate II	Eulaminate III	Koniocortex
Layer IV	Absent	Thin, irregular, discontinuous	Thin, regular, continuous	Thick, regular, continuous	Thick, regular, continuous	Thickest
More prominent laminar group	Deep V–VI	Deep V–VI	Deep V–VI and superficial II–III equally prominent	Superficial II–III	Superficial II–III	Superficial II–III (denser with small neurons)
Largest pyramids	V	V	V and III	III	III (larger)	III
Layers V–VI	Indistinct V and VI	Indistinct V and VI	Distinct V and VI	Sublayers in V and VI	Sublayers in V and VI	Sublayers in V and VI
Layers I–II boundary	Irregular	Slightly irregular	Sharp	Sharp	Sharp	Sharp