Neuroanatomy Draw It To Know It

Brainstem—Part One 157

Gracile Cuneate Nucleus nucleus

Internal arcuate fibers

Medial lemniscus

Corticospinal tracts

Inferior olive

Antero- lateral Anterior system trigemino- thalamic tract

Medial longitudinal fasciculus Tecto- spinal tract

Rubrospinal tract

Area 4th ventricle postrema

*Cranial nerve nuclei: (5), (8), 9, 10, 12

Reticular formation

Raphe nuclei

Central gray area

Inferior cerebellar peduncle

Spinocerebellar tracts

Posterior Left Anterior

Right

Pyramidal decussation

(Pyramid)

NUCLEI TRACTS

Tegmentum

*Position of cranial nuclei Base NOT accurately depicted

DRAWING 9-5 Th e Medulla