sitio-, siti-, sito-, sit-, -sitia +

1. A plant, such as mistletoe, that obtains some nourishment from its host but also photosynthesizes; also, semiparasite.
2. An organism that can live either independently or as a parasite.

A nonphotosynthetic parasite that must obtain carbohydrates found in the host plant phloem (food-conducting tissue of a plant). A parasitic flowering plant that lacks chlorophyll (nonphotosynthetic) and must rely totally on the contents of the xylem (woody part of plants; supporting and water-conducting tissue) and the phloem of the host plant.

1. A secondary parasite capable of development within a previously existing parasite.
2. An organism that is parasitic on or in another parasite.
3. A parasite that preys on another parasite.

A parasite, such as a louse or an intestinal worm, that is big enough to be visible to the "naked" eye.

A microorganism that lives as a parasite on other organisms and which is too small to be seen with the "naked" eye.

A parasite that decomposes nonliving organic matter to obtain nutrients that are then absorbed through cell membranes.

1. An organism associated with a particular disease and able to modify its coarse, but not serving as the actual causal agent; or to put it another way: a microorganism found in conjunction with a disease process that, while capable of modifying the course of the disease, is not its cause.
2. A pathogenic parasite that attacks only already diseased tissues.

The member of a pair of conjoined twins of unequal size that is smaller and parasitic and that receives its blood supply by way of the larger twin.

1. An organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriments.
2. A person who receives support, advantage, or the like, from another or others without giving any useful or proper return, as someone who lives on the hospitality of others.
3. In ancient Greece, a person who received free meals in return for amusing or impudent conversation, flattering remarks, etc.
4. From Latin parasitus, from Greek parasitos "someone who eats at the table of another"; "feeding beside" from para- "beside" + sitos "food".

The presence of parasites (especially malarial parasites) in the blood.

1. Of, relating to, or characteristic of a parasite.
2. Caused by or resulting from the effects of parasites.
3. Relating to or having the habit of a parasite; such as, living on another organism.

1. Of the nature of a parasite; fawning for food or favors; sycophantic.
2. Of or pertaining to parasites; living on, or deriving nourishment from, some other living animal or plant.

An agent that is capable of expelling or destroying parasites; such as, parasitic worms.

1. An agent or preparation that destroys (kills) parasites.
2. Destructive to parasites.
3. An agent that destroys parasites, e.g. such as those that infest the skin.

An organism that serves as the host of a parasite.