Não aqueduct Frenulum Nucleus raphe, dorsalis Trochlear thần kinh, xuất cảnh Locus ceruleus Mesencephalic hạt nhân và fasciculus đường dọc trung gian lưới lemniscus hình thành Lateral và hạt nhân của bên lemniscus Tectospinal đường Trung màu xám (Periaqueductal màu xám) | Anatomical orientation MRI T1-weighted image MRI T2-weighted image CT cisternogram The Pons With AARI and CT ro 5-20 Transverse section of the rostral pons through the exit of the trochlear nerve and rostral portions of the exit of the trigeminal nerve. Frenulum Nucleus raphe dorsalis Trochlear nerve exit Locus ceruleus Dorsal trigeminothalamic tract Mesencephalic nucleus and tract Medial longitudinal fasciculus Reticular formation Central tegmental tract Nucleus centralis superior Anterolateral system Tectospinal tract Medial lemniscus Rubrospinal tract Pontine nuclei Lateral lemniscus and nuclei of lateral lemniscus Superior cerebellar peduncle brachium conjunctivum Cerebral aqueduct Central gray Periaqueductal gray Basilar pons Degenerated corticospinal fibers Corticospinal fibers Pontocerebellar fibers Ventral trigeminothalamic tract Middle Cerebellar peduncle brachium pontis Trigeminal nerve 122 Internal Morphology of the Spinal Cord and Brain in Stained Sections Post column med. lemniscus sys. proprioception vibratory sense discriminative touch Corticospinal fibers somatomotor Anterolateral system pain thermal sense touch from body Spinal trigeminal and or ventral trigeminothalamic fibers pain thermal sense touch from head Sensory Motor Cranial nerve nuclei Anatomical orientation MRI T1-weighted image MRI T2-weighted image CT cisternogram The Pons With AARI and CT .