cryptogenic
Biology

cryptogenic



Term: cryptogenic
Literally meaning: ?hidden origin?
Origin: Anc Greek
??????/crypto(=hide, cover)
+?????/geno(= ?produce?, ?give birth to?, ?create?) >???????/genesis(=origin)
Coined/History 
The term ?cryptogenic species? coined by Jim Carlton in 1996 and it refers to those species that cannot be demonstrably classified as native or introduced in a particular region.   Carlton wrote that ?species that are neither clearly native nor exotic?
Sourse
James T. Carlton ?Biological Invasions and Cryptogenic Species? Ecology, 77(6) 1653-1655

Definition
1. (ecology)cryptogenic species  is one which origin is unknown
2. (medicine)cryptogenic is a disease of unknown cause such as cryptogenic stroke in which classic risk factors are usually absent.  




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