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(A) The peri-infarct area. Peri-infarct area (gray) and infarct core (black). (B) Anatomy around the olfactory bulb. 1: nasal bone. 2: forehead bone. 3: ethmoid bone. 4: olfactory nerve area. 5: olfactory bulb. 6: forehead bone. 7: cerebrum. 8: cerebellum. 9: incisor teeth. 10: incisive bone. 11: maxilla bone. 12: molar teeth. The arrow displays the passage of nasal administration.
