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.
Organism obtaining nourishment from or living one another organism (the 'host') for survival and usually harming it and causing disease. Some parasites are independent and some depend entirely on their hosts and separate only when either one of them dies. Human parasites include bacteria, fungi, lice, viruses, and worms.