Caudal closed medulla oblongata, Dorsal column nuclei
A horizontal section through closed medulla oblongata.
Actual Specimen Size: 14mm
A. Posterior median sulcus
B. Nucleus Gracilis
C. Nucleus Cuneatus
D. Spinal Trigeminal Nucleus
E. Central Gray (N. of C.N. XII, X and N. solitary)
F. Fasciculus Gracilis
G. Fasciculus Cuneatus
H. Spinal Trigeminal tract
I. Reticular Formation (Location of N. Ambiguus)
J. Pyramid
K. Anterior Median Fissure
L. Pyramidal decussation
M. Reticular Formation (Internal Arcuate Fibers)
N. Posterior Spinocerebellar Tract
O. Anterior spinocerebellar Tract
P. Inferior Olivary Nucleus
Q. Anterior/Lateral Spinothalamic Tract
(Anteriolateral Pathway)
