Vṛṣṇivaṃśa–Anukīrtana (Enumeration of the Vṛṣṇi Lineage) — Questions on Viṣṇu’s Human Descent
मांसात्त मेदसो जन्म मेदसो ऽस्थि निरुच्यते / अस्य्नो मज्जा समभवन्मज्जातः शुक्रसंभवः
māṃsātta medaso janma medaso 'sthi nirucyate / asyno majjā samabhavanmajjātaḥ śukrasaṃbhavaḥ
由肉(māṃsa)生脂(medas),由脂称为骨(asthi)。由骨生髓(majjā),由髓生精(śukra)。