Astanga Hrudaya
उर्व्यूरुमध्ये तद्वेधात्सक्थिशोषोऽस्रसङ्क्षयात्। ऊरुमूले लोहिताक्षं हन्ति पक्षमसृक्क्षयात्॥७॥
In the centre of the thighs is urvi, its injury causes emaciation of the thigh from loss of blood. Above the urvi, below the angle of the groin and at the root of the thigh is lohitaksa, its injury causes hemiplegia from loss of blood.
english translation
urvyUrumadhye tadvedhAtsakthizoSo'srasaGkSayAt। UrumUle lohitAkSaM hanti pakSamasRkkSayAt॥7॥
hk transliteration by Sanscript