静脈|じょうみゃくjoumyaku[0]heiban (flat)

1. noun, anatomyvein
   彼かれが叫さけぶと、首くびの静脈じょうみゃくがはっきりと浮き上うきあがった。↗

   When he shouted, the veins in his neck stood out clearly.

• Synonym青筋あおすじNeutralVeins that show through the skin, especially bulging ones; often figurative for anger, as in 「青筋を立てる」. Not the medical term.
• Antonym動脈どうみゃくNeutralThe opposite of 静脈: an artery, carrying blood away from the heart. Also figurative for a major transport route, as in 「大動脈」.

For the medical vein use 「静脈」, as in 「静脈注射」「静脈瘤」. For veins visible or bulging under the skin say 「青筋」; the opposite vessel is 「動脈」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 血管けっかんのうち、血液けつえきを心臓しんぞうに戻もどすために使つかわれるもの。