a. 自生的, 无生源说的

[医] 自[然发]生的, 单性生殖的

[ adj ]
of or relating to autogenesis
<adj.pert>

Autogenetic \Au`to*ge*net"ic\, a. (Biol.)
1. Relating to autogenesis; self-generated.

2. (Phys. Geog.) Pertaining to, controlled by, or
designating, a system of self-determined drainage.
[Webster 1913 Suppl.]