Nose-to-Brain Biomolecule Delivery: Olfactory Pathway

This template shows the respiratory pathway of nose-to-brain biomolecule delivery, tracing intranasally administered biomolecules from the nasal cavity along the trigeminal nerve toward the brainstem. A close-up cross-section shows biomolecules crossing the mucus layer and respiratory epithelium, passing through the cribriform plate alongside trigeminal nerve fibers into the cerebrospinal fluid.

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