Astanga Hrudaya
हरन्ति तान्यपि प्राणान् कदाचिदभिघाततः । अष्टौ कूर्चशिरोगुल्फमणिबन्धा रुजाकराः॥५९॥
they might also take away (destroy) the life sometimes when injured Rujakara marma – vital spots which cause pain: Kurcasira (4), Gulpha (2), manibandha (2) – these eight are Rujakara (causing pain)
english translation