a. 自生的

[医] 自体的

[ adj ]
originating within the body
<adj.all>

Autogenous \Au*tog"e*nous\, a. [Gr. ?; ? self + root of ? to be
born.]
1. (Biol.) Self-generated; produced independently.

2. (Anat.) Developed from an independent center of
ossification. --Owen.

3. a. Autogenetic.
[Webster 1913 Suppl.]

{Autogenous soldering}, the junction by fusion of the joining
edges of metals without the intervention of solder.