Biogenesis

{ Bi′o‐gen″e‐sis (�), Bi‐og″e‐ny (�), } n. [Gr. � life + �, �, birth.] (Biol.) (a) A doctrine that the genesis or production of living organisms can take place only through the agency of living germs or parents; — opposed to abiogenesis. (b) Life development generally.