Surah Al-Haqqah 69:46

ثُمَّ لَقَطَعْنَا مِنْهُ ٱلْوَتِينَ

Then We would have cut from him the aorta.

Translation: Saheeh International

Tafsir

then We would have assuredly severed his life-artery the aorta of the heart a vein that connects with it and which if severed results in that person’s death

Excerpt from Tafsir al-Jalalayn, commentary on 69:46, via Quran.com. The reader has the full commentary and 9 more tafsirs.