corticopontine fibers corticopontine fibers corticopontine fibers are projections from the cerebral cortex to the pontine nuclei. corticopontine fiberscoronal section through mid-brain. 1. corpora quadrigemina. 2. cerebral aqueduct. 3. central gray stratum. 4. interpeduncular space. 5. sulcus lateralis. 6. substantia nigra. 7. red nucleus of tegmentum. 8. oculomotor nerve, with 8’, its nucleus of origin. a. lemniscus (in blue) with a’ the medial lemniscus and a" the lateral lemniscus. b. medial longitudinal fasciculus. c. raphé. d. temporopontine fibers. e. portion of medial lemniscus, which runs to the lentiform nucleus and insula. f. cerebrospinal fibers. g. frontopontine fibers.detailsidentifierslatinfibrae corticopontinae, tractus corticopontinusneuronames1322ta98a14.1.05.107ta25619fma75190anatomical terms of neuroanatomy depending upon the lobe of origin, they can be classified as frontopontine fibers, parietopontine fibers, temporopontine fibers or occipitopontine fibers.