Astanga Hrudaya
विटपौ विधुराख्ये च शृङ्गाटानि सिरासु तु । अपस्तम्भावपाङ्गौ च धमनीस्थं न तैः स्मृतम् ॥ ४६ ॥
Vitapa, and Vidhura are classified as Snayu Marmas; and Shringataka, Apastambha, and Apalapa (written as Apanga in the translation note) are considered Sira Marmas, and not remembered as Dhamani Marmas by them.
english translation
viTapau vidhurAkhye ca zRGgATAni sirAsu tu । apastambhAvapAGgau ca dhamanIsthaM na taiH smRtam ॥ 46 ॥
hk transliteration by Sanscript