► 名詞静脈 [じょうみゃく]
meaning: blood vessel rank: 2☆ 静脈注射 ⇨ Intravenous injections
血管 [けっかん]
meaning: blood vessel rank: 3☆
彼の
額に血管が
浮き出ている ⇨ Veins are popping up on his forehead
動脈 [どうみゃく]
meaning: blood vessel rank: 3☆ 動脈硬化 ⇨ Hardening of artery. Arteriosclerosis