Anandakanda 1.4.502

1.4.502

tābhiryukto rasendrastu dehe saṃkramate priye /
krāmati tanau hi sūto janayati putrāṃścadevatāgarbhān //

joined with them, the lord of mercury permeates the body, O dear one; / for quicksilver permeating the body begets sons who are divine embryos;