Astanga Hrudaya
पञ्चाशत्षट् च मर्माणि तिलव्रीहिसमान्यपि । चतुर्धोक्ताः सिरास्तु याः ॥ ६३ ॥
the remaining fifty-six are each half angula, in the opinion of some others, the size of the vital sports are equivalent to those of tila (sessamum seed) and vrhi (paddy grain). Marmbhighata phala – effect of injury to vital spots: The four types of siras mentioned previously (verses 19.37 of chapter 3)
english translation
paJcAzatSaT ca marmANi tilavrIhisamAnyapi । caturdhoktAH sirAstu yAH ॥ 63 ॥
hk transliteration by Sanscript