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.
Organisms are of two types: selfish (S) and altruistic (A). The latter engage in pro-social behaviour, thus benefiting their partner but at a cost to themselves; the former do not. So in a mixed (S,A) pair, the selfish organism does betterâhe benefits from his partner's altruism without incurring any cost.