Olfactory n. Arises from the olfactory epithelium(superior nasal conchae and septum) Passes through the cribriform plate of the ethmoid bone ▣ Carrying afferent impulses for the sense of smell (special visceral afferent) Septalolfactory nerves For nternal nasal branches of crib arterorethmoidal nerve Nasal Se ptum Nasopalatine nerves. Greater palatine nerve. Lesser palatine nerve  Arises from the olfactory epithelium (superior nasal conchae and septum)  Passes through the cribriform plate of the ethmoid bone  Carrying afferent impulses for the sense of smell (special visceral afferent) Olfactory n