postcardinal

adjective
post·​car·​di·​nal | \ -ˈkärd-nəl, -ᵊn-əl How to pronounce postcardinal (audio) \

Medical Definition of postcardinal

: of, relating to, or being a vein on either side in the embryo that drains the mesonephros and the portion of the trunk caudal to the heart

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