Title: Practice Tracts, Brainstem to Forebrain
1Practice Tracts, Brainstem to Forebrain
2Lumbar Spinal Cord
Central Canal
Dorsal Funiculus
Dorsolateral Fasciculus
Substantia Gelatinosa
Dorsal Roots
Posteromarginal Nucleus -very thin layer
I
II
III
IV
Nucleus Proprius
Lateral Funiculus
V-VI
Intermediate Zone
Intermediate Zone
X
VII
IX
Motor Nuclei
Ventral Roots
VIII
Ventral White Commissure
Ventral Funiculus
Median Fissure -anterior spinal artery
3Lumbar Spinal Cord
Central Canal
Dorsal Funiculus
Dorsolateral Fasciculus
Substantia Gelatinosa
Dorsal Roots
Posteromarginal Nucleus -very thin layer
I
II
III
Dorsal Horns -sensory
IV
Nucleus Proprius
Lateral Funiculus
V-VI
Intermediate Zone
Intermediate Zone
VII
X
Flexors
Distal
IX
Motor Nuclei
Ventral Roots
VIII
Axial
Extensors
Ventral Horns -motor
Ventral White Commissure
Ventral Funiculus
Median Fissure -anterior spinal artery
4Thoracic Spinal Cord
Gracile Fasciculi
Central Canal
Dorsal Funiculus
Cuneate Fasciculi
Dorsolateral Fasciculus
Substantia Gelatinosa
Dorsal Roots
Posteromarginal Nucleus -very thin layer
Dorsal Horns -sensory
I
II
Nucleus Proprius
III
IV
V-VI
Lateral Funiculus
Dorsal Nucleus of Clarke
Intermediate Zone
Intermediate Zone
VII
Intermediolateral cell column -visceromotor
X
Flexors
Distal
IX
Extensors
Motor Nuclei
Axial
VIII
Ventral White Commissure
Ventral Horns -motor
Ventral Funiculus
Median Fissure -anterior spinal artery
Ventral Roots
5Cervical Spinal Cord
Dorsal Intermediate Sulcus
Gracile Fasciculi
Dorsal Funiculus
Cuneate Fasciculi
Dorsolateral Fasciculus
Substantia Gelatinosa
Dorsal Roots
Posteromarginal Nucleus -very thin layer
I
Dorsal Horns -sensory
II
III
Nucleus Proprius
Central Canal
IV
Dorsal Nucleus of Clarke -becomes dorsal
spinocerebellar tract
Intermediate Zone
Intermediate Zone
V-VI
X
VII
Flexors
Distal
IX
Extensors
Motor Nuclei
Axial
VIII
Ventral White Commissure
Ventral Horns -motor
Ventral Funiculus
Median Fissure -anterior spinal artery
Ventral Roots
6Spino-medullary Junction
Gracile Fasciculi
Cuneate Fasciculi
Pyramidal Decussation, near this level
7Closed Medulla
Gracile Nucleus
Cuneate Nucleus
Spinal Trigeminal Nucleus
Inf. Olivary Nucleus
Pyramidal Tract
8Caudal Open Medulla
4th Ventricle
Hypoglossal Nucleus
Inf. Olivary Nucleus
Pyramidal Tracts
9Rostral Open Medulla
4th Ventricle
Olivary Nucleus
Pyramidal Tracts
10Medulla-Pons Junction
Pyramidal Tracts
11Caudal Pons
Pontine Tegmentum
Ventral Pons
Pyramidal Tracts
12Rostral Pons
13Isthmus - Pons/Midbrain Junction
14Caudal Midbrain
Midbrain Tectum
Inferior Collicus -hearing
15Rostral Midbrain
Superior Collicus -vision
Midbrain Tectum
Oculomotor Nucleus
Red Nucleus
Cerebral Peduncle
Interpeduncular Fossa
16Thalamus/Midbrain Junction
Red Nuclei
17Posterior Forebrain
18Forebrain - level of Mammilary Bodies
19Forebrain - level of mid-Hypothalamus
20Forebrain - level of Optic Chiasm
21Forebrain - level of Anterior Commissure
22Forebrain - level of Anterior limb of internal
capsule