- pertaining to autochthons; aboriginal; indigenous (opposed to heterochthonous).
- Pathology.
- found in the part of the body in which it originates, as a cancerous lesion.
- found in a locality in which it originates, as an infectious disease.
- of or relating to ideas that arise independently of the individual's own train of thought and seem instead to have some alien or external agency as their source.
- (of rocks, minerals, etc.) formed in the region where found.
- (of rocks, deposits, etc) found where they and their constituents were formed
- inhabiting a place or region from earliest known times; aboriginal
- (of some functions, such as heartbeat) originating within an organ rather than from external stimulation
