Small Brainstem (both halves) 

  2	Border between Caudate nucleus and Internal Capsule
  6	Interventricular foramen leading to lateral ventricle from third ventricle
14	Superior colliculus
15	Cerebral crus
16	Pons
17	Middle cerebellar peduncle
18	Fourth ventricle
19	Pyramid - location for decussations
20	Pyramid
21	Olive
22	Spinal cord
23	Spinal cord
24	Gracile fasciculus
25	Gracile tubercle
27	Cuneate tubercle
30	Optic nerve
31	Optic chiasm
32	Oculomotor nerve
33	Trochlear nerve
34	Trigeminal nerve
35	Abducent nerve or abducens nerve
36	Facial nerve
37	Vestibulocochlear nerve or statoacoustic nerve or auditory nerve or acoustic nerve
38	Glossopharyngeal nerve
39	Vagus nerve
40	Accessory nerve or spinal accessory nerve
41	Hypoglossal nerve
42	Ventral roots of 1st & 2ns spinal nerves
43	Optic tract
44	Lateral Geniculate body
45	Interthalamic adhesion (intermediate mass) within third ventricle
46	Hypophysis - Pituitary Gland
47	Pituitary stalk or infundibulum
48	Mammillary body
49	Pulvinar of the Thalamus (brainstem model only)

a	pons
b	medulla oblongatta
c	arbor vitae of cerebellum
d	Fourth ventricle
e	superior opening to cerebral aqueduct
f	superior medullary velum
g	hypothalamus
h	anterior commissure
i	tectal plate of the corpus quadrigemina
j	
k	posterior commissure
l	fornix
m	mammillary body
n	thalamus
o	trunk of corpus callosum
p	genu of corpus callosum
q	rostrum of corpus callosum
r	septum pellucidum
s	splenium of corpus callosum