hyparterial

adjective
hyp·​ar·​te·​ri·​al | \ ˌhip-är-ˈtir-ē-əl How to pronounce hyparterial (audio) , ˌhīp- How to pronounce hyparterial (audio) \

Medical Definition of hyparterial

: situated below an artery specifically : of or being the branches of the bronchi given off below the pulmonary artery