Pretectal Region

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Figure 18—19. Transverse section through the pretectal region at the midbrain-diencephalon junction. The mesencephalic aqueduct is transitioning to third ventricle and subcommissural bodies are evident dorsally in the aqueduct. Midbrain structures are present ventrally. Dorsally, the pretectum, thalamus, and metathalamus can be seen. (Luxol Fast Blue – Cresyl Violet stain.)

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