Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:69:46 –

Then We would have cut from him the aorta.  

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,
القرآن:٦٩:٤٦ –

ثُمَّ لَقَطَعْنَا مِنْهُ الْوَتِينَ  

{ثم لقطعنا منه الوتين} نياط القلب وهو عرق متصل به إذا انقطع مات صاحبه.