Assignment of anatomic structures with their location and fiber orientation

Section LevelAnatomic StructureOrientation
aRostral spinal cord/caudal medullaVentral, lateral & dorsolateral funiculiSI
bRostral spinal cord/caudal medullaVentral gray matter nucleiLow FA
cRostral spinal cord/caudal medullaDorsal gray matter nucleiLow FA
dRostral spinal cord/caudal medullaDorsal funiculusSI
eRostral spinal cord/caudal medullaPyramidSI/oblique
fMedullaMedial lemniscusSI
gMedullaInferior olivary nucleusLow FA
hMedullaCuneate, gracile & trigeminal nucleiLow FA
iMedullaInferior cerebellar peduncleSI
jPonsCorticospinal tractSI
kPonsTransverse pontine fibersLL
lPonsMedial cerebellar peduncleAP
mPonsMedial lemniscus & central tegmental tractSI
nPonsMedial & dorsal longitudinal fasciculiSI
oPonsDeep cerebellar nucleiLow FA
pPonsCranial nerve V (trigeminal)AP
qPonsTrigeminal nucleiLow FA
rPonsSuperior cerebellar peduncleAP
sPonsCorticospinal & corticopontine tractsSI
tMidbrainCranial nerve III (oculomotor)AP
uMidbrainCerebral peduncleSI
vMidbrainDecussation of superior cerebellar pedunclesLL
wMidbrainSubstancia nigraLow FA
xMidbrainTuberal hypothalamusAP
yMidbrainOptic tractAP/oblique
zMidbrainMammillary bodyLow FA