Region |
Medial Structures |
Dorsolateral Structures |
Rostral Midbrain |
• Pyramidal tracts(PT) in cerebral peduncle • Superior cerebellar peduncle (SCP) • Oculomotor nucleus/ 3rd nerve • Medial longitudinal fasciculus (MLF) • Reticular formation(RF)
|
|
Mid-Pons |
• Medial longitudinal fasciculus (MLF) • Reticular formation(RF) • Pyramidal tracts(PT)
|
• Middle cerebellar peduncle (MCP) • Trigeminal sensory and motor nuclei/5th nerve
|
Caudal Pons |
• Abducens nerve/ 6th nerve • Motor fibers of 7th nerve • PPRF-lateral gaze center • Pyramidal tracts(PT)
|
• Facial motor nucleus/7th nerve • Middle cerebellar peduncle (MCP) • Descending tract/nucleus of 5th nerve • Spinothalamic tract(ST) • Vestibular(VN) and Cochlear nuclei/ 8th nerve
|
Rostral Medulla |
• Hypoglossal nucleus/12th nerve • Pyramidal tracts • Medial lemniscus
|
• Nucleus ambiguus • Exiting 9th and 10th nerves • Descending tract/ nucleus of 5th nerve • Spinothalamic tract(ST) • Vestibular nuclei (VN) • Inferior cerebellar peduncle (ICP)
|