Charak Samhita
अष्टौ विमानान्युक्तानि मानार्थानि महर्षिणा। कतिधापुरुषीयं च गोत्रेणातुल्यमेव च ॥५०॥
Vimana Sthana is followed by the Sharira Sthana (the section on anatomy including embryology) which includes katidhapurusiya (classification of constituents of the individuals), atulyagotriya (exogamy),
english translation
aSTau vimAnAnyuktAni mAnArthAni maharSiNA। katidhApuruSIyaM ca gotreNAtulyameva ca ॥50॥
hk transliteration by Sanscript