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.
(pÄrâ²É-sÄ«tâ²) An organism that lives in or on a different kind of organism (called the host) from which it gets some or all of its nourishment. Parasites are generally harmful to their hosts, and in some cases they may even destroy the other organism, although more often the damage they do is minor.