part of part of endochondral bone bone of dorsum hemal arch hemal prezygapophysis 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 Hemal prezygapophyses are paired, anteromedially directed processes arising from the bases of hemal arches, ligamentously joined to the hemal postzygapophyses of the preceding vertebra. Posterior caudal vertebrae close to the caudal fin lack hemal prezygopophyses. UBERON:2001380 hemal prezygopophysis UBERON:2007005 ZFA:0007005 haemal prezygapophysis