OBO_REL:part_of (UNDECLARED) basipterygium middle anterior process of basipterygium Process that is bony and arises from anterior margin of basipterygium between internal anterior process of basipterygium and external anterior process of basipterygium. Middle anterior process of basipterygium projects anteriorly or anteromedially. TAO:0002072 middle anterior arm of basipterygium teleost_anatomy process