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.
1. Biology An organism that lives and feeds on or in an organism of a different species and causes harm to its host. 2. a. One who habitually takes advantage of the generosity of others without making any useful return.. Biology An organism that lives and feeds on or in an organism of a different species and causes harm to its host. 2. a. One who habitually takes advantage of the generosity of others without making any useful return.