artery nasal artery The nasal arteries start at the internal carotid artey and travel rostrally, passing along the right and left walls of the nasal sac at the most rostral end of the head. From the nasal sac, the NA flows into the nasal veins. Isogai et al. 2001. ZFA:0005085 UBERON:2005085 This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon NA