The Human Brain During the Third Trimester

PLATE 79

10 mm

10 mm

PONSPONS

Flocculus

Inferior cerebellar peduncle

Inferior olive

GW37 Horizontal, CR 320 mm, Y301-62

Level 15: Section 1251

Level 16: Section 1311

CEREBELLUMCEREBELLUM

CEREBELLUMCEREBELLUM

VVermisermis

HemispheHemispherree

HemispheHemispherree

HemispheHemispherree

1

1

PONSPONS FFourth ourth ventricleventricle

Middle cerebellar peduncle

Middle cerebellar peduncle

Pontine gray

Pontine gray

Pyramid

Flocculus

Paraflocculus

Cuneate nucleus

and fasciculus

Nerve V

Transpontine corticofugal tract

Deep

nuclei

Deep

nuclei

MEDULLAMEDULLA

MEDULLAMEDULLA

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

1 External germinal layer (cerebellum)

See detail of brain core and

cerebellum in Plates 93A and B.

See higher magnificatio n

view in Plates 94A and B

(left panel).