highest intercostal vein

su·preme in·ter·cos·tal vein

[TA] the vein draining the first intercostal space into either the vertebral or the brachiocephalic vein. Synonym(s): vena intercostalis suprema [TA], highest intercostal vein

high·est in·ter·cos·tal vein

(hī'ĕst in'tĕr-kos'tăl vān) Drains the first intercostal space into either the vertebral or the brachiocephalic vein.