The Human Brain During the Third Trimester

PLATE 80

10 mm

10 mm

10 mm

CEREBELLUM

(Hemisphere )

Inferior olive

Pyramidal decussation

Gracile fasciculus

Cuneate fasciculus

MEDULLA

GW37 Horizontal, CR 320 mm, Y301-62

Level 17: Section 1331

Level 18: Section 1381

Level 19: Section 1441

Remnants of the germinal matrix, migratory streams, and transitional fields

1 External germinal layer (cerebellum)

PONSPONS

Flocculus

Flocculus

Inferior cerebellar peduncle

Inferior olive

Inferior olive

CEREBELLUMCEREBELLUM

HemispheHemispherree

CEREBELLUMCEREBELLUM

HemispheHemispherree

1

1

1

Middle cerebellar peduncle

Pontine gray

Pyramid

Pyramid

Pyramid

Medial lemniscus

Gracile nucleus

and fasciculus

Gracile nucleus

and fasciculus

MEDULLAMEDULLA

MEDULLAMEDULLA

See higher magnification

view in Plates 94A and B

(right panel).

See higher magnification

view in Plates 95A and B

(left panel).

See higher magnification

view in Plates 95A and B

(right panel).