- Brainstem—Part One 149
BASIS
TEGMENTUM
TECTUM
Corticofugal
tracts
Supplementary
motor nuclei
Medial
lemniscus
Antero-
lateral
system
Trigemino-
thalamic
tracts
Neurobehavioral
cells
Cranial nerve nuclei
Auditory
system
Cerebellar
peduncles
CSF space
Supplementary
motor & sensory
tracts
Reticular
formation
NUCLEI TRACTS
Posterior
Left
Anterior
Right
Supplementary
motor nuclei
Auditory
system
DRAWING 9-1 Brainstem Composite — Axial View