Other Conditions Causing Yellow Toenails. Although fungal infection is the most likely cause of yellow toenails, rarely, some other disease conditions can also result in yellow toenails. Some of these conditions are psoriasis, jaundice, paronychia, lymphedema, bronchiectasis, tuberculosis and sinusitis.
1. a plant or animal that lives upon or within another living organism at whose expense it obtains some advantage; see symbiosis. 2. the smaller, less complete member of asymmetrical conjoined twins, attached to and dependent upon the autosite.parasitÂ´ic. malarial parasite Plasmodium.
A relationship in which one organism lives on or inside another  organism and harms it is called parasitism.This is a form of a  symbiotic relationship. Edit.n organism that kills and eats all or part of another organism is called a carnivore. Edit. Share to: 1  The Five Major Parts of the Brain At its most basic, the brain controls the body.