The Human Brain During the Third Trimester

GW29 Coronal

CR 260 mm, Y14-59

Level 14: Section 1161

CORTEX OF THE PRECENTRAL GYRUS

(Primary motor cortex)

I

II

III

IV

V

VI

VII

I

II

III

IV

V

VI

VII

White matter

Subpial granular layer

(transient proliferative glial matrix)

Large neurons are

Betz pyramidal cells

See the entire section in Plate 164.

Latest arriving cells

PLATE 172