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Science & Tech > Biology > Parasites


Now updated for CSW15. New words, if any, and new inflections of existing words, are shown in red.


acanthocephalan belonging to the Acanthocephala, a division of parasitic worms with spiny proboscis.
actinomycosis a parasitic disease in men and cattle resulting in inflammation of the jaw.
actinomycotic relating to actinomycosis, a parasitic disease in men and cattle resulting in inflammation of the jaw.
anting the practice of certain birds in putting ants on their feathers to rid themselves of parasites.
antiparasitic (A drug) designed to counter parasites.
appressorium the flattened thickened tip of a hyphal branch by which some parasitic fungi attach to and penetrate their host.
ascarid any nematode worm of the parasitic genus Ascaris, infesting the small intestines.
ascaris (Greek) any nematode worm of the parasitic genus Ascaris, infesting the small intestines.
autecious of parasites, completing the entire life cycle on a single species of host.
autecism the development of the entire life cycle of a parasite on a single host.
autoecism the development of the entire life cycle of a parasite on a single host.
autoinfection reinfection with larvae produced by parasitic worms already in the body.
babesia a parasite causing cattle fever.
babesiasis redwater, a cattle infection caused by the parasite babesia.
benzimidazole a crystalline base used esp to inhibit the growth of various viruses, parasitic worms, or fungi.
biogenous parasitic; biogenic.
biotroph a parasitic organism, esp a fungus.
bonamia a parasite that causes bonamiasis.
braconid any of a family of parasitic wasps.
candida (Lat.) a parasitic, yeastlike fungus, that causes the infection candidiasis.
candidal of or like candida, a parasitic, yeastlike fungus.
caprification a method of promoting the pollination of figs by hanging branches of caprifig flowers so that parasitic gall-wasps living on the female flowers can carry pollen to the wild fig.
cestode any parasitic flatworm of the class Cestoda, that includes tapeworms.
cestoid a ribbon-like cestode, or parasitic flatworm.
chalcid any small parasitic insect of the family Chalcididae, that lay their eggs inside the bodies of other insects.
cirriped a barnacle or other parasitic marine crustacean.
cirripede a barnacle or other parasitic marine crustacean.
coccidium a parasitic protozoan of the order Coccidia.
cryptosporidium any of a genus of protozoans parasitic in the gut of vertebrates including humans and sometimes causing diarrhea.
cryptozoite a malarial parasite at the stage of development in its host before it enters the red blood cells.
dermatophyte a fungus parasitic on the skin or skin derivatives (as hair or nails).
dermatophytic of or like a dermatophyte, a fungus parasitic on the skin.
distome a parasitic flatworm.
echinococcus a parasitic tapeworm.
ectogenous of a parasite, that can live outside a host.
ectoparasite a parasite that lives on the surface of animals.
ectoparasitic of or like an ectoparasite.
ectophyte a vegetable ectoparasite.
ectophytic relating to an ectophyte, a vegetable ectoparasite.
ectozoan a parasite on the body of an animal.
ectozoic relating to an ectozoon, an external parasite.
ectozoon a parasite on the body of an animal.
empusa (Greek) a phantom or specter sent by Hecate; a genus of fungi parasitic on houseflies.
empuse (Greek) a phantom or spectre sent by Hecate; a genus of fungi parasitic on houseflies.
endameba (Lat.) a parasitic amoeba.
endamebic like an endameba, a parasitic amoeba.
endamoeba (Lat.) a parasitic amoeba.
endamoebic like an endamoeba, a parasitic amoeba.
endobiotic living within the tissues of the host.
endoparasite a parasite that lives inside an animal.
endoparasitic relating to endoparasites.
endoparasitism the state of being an endoparasite, a parasite that lives inside an animal.
endophitic of or like an endophyte, an endoparasitic plant.
endophyte an endoparasitic plant.
endophytic of or like an endophyte, an endoparasitic plant.
endophytically (Adv.) ENDOPHYTIC, of or like an endophyte, an endoparasitic plant.
endozoon an internal parasite.
entophytal of or like an entophyte, a vegetable parasite subsisting in the interior of the body.
entophyte a vegetable parasite subsisting in the interior of the body.
entophytic of or pertaining to entophytes; as, an entophytic disease.
entozoan an internal parasite.
entozoon an internal parasite.
epibiosis any relationship between two organisms where one grows on the other but is not parasitic.
epibiotic relating to epibiosis, a relationship between two organisms where one grows on the other but is not parasitic.
epizoan an animal that lives on the surface of another, esp as a parasite.
epizoon an animal that lives on the surface of another, esp as a parasite.
exoparasite a parasite, such as the flea, that lives on the outer surface of its host.
exoparasitic of or like an exoparasite.
filaria (Lat.) a parasitic worm.
filarial relating to a filaria, a parasitic worm.
filarian relating to a filaria, a parasitic worm.
filariid a parasitic worm.
flea any of an order of wingless, very agile, parasitic, bloodsucking insects.
gapeworm the parasitic worm that causes the gapes in birds.
gerardia any of a genus of often root-parasitic herbs of the snapdragon family.
giardia a species of parasite.
glochidiate like a glochidium, the larva of a freshwater mussel that develops as a parasite on fish.
glochidium (Lat.) the larva of a freshwater mussel that develops as a parasite on fish.
graminicolous esp. of parasitic fungi, living on grass.
greaseband a band put round the trunks of trees to stop infestation by parasites.
gregarine a member of the Gregarinida, a group of parasitic insects, molluscs and crustaceans.
haematozoon any microorganism, esp a protozoan, that is parasitic in the blood.
haemoflagellate a flagellate protozoan, such as a trypanosome, that is parasitic in the blood.
heartworm a filarial worm that is a parasite esp in the hearts of dogs.
helminth a parasitic intestinal nematode.
helminthology the study of parasitic worms.
hematozoon a protozoan that is parasitic in the blood.
hemiparasite a parasitic plant capable of limited photosynthetic production of sugars etc.
hemiparasitic of or like a hemiparasite.
hemoflagellate a flagellate (as a trypanosome) that is a blood parasite.
heteroecism a form of parasitism that requires two (usu unrelated) host species to complete its life-cycle.
hookworm an intestinal parasite.
hyperparasite a parasite that is parasitic upon another parasite.
hyperparasitic of or like a hyperparasite.
hyperparasitism the state of being a hyperparasite, a parasite that is parasitic upon another parasite.
louse a wingless parasitic insect, with a flat body and short legs (verb) to mess up
lungworm a kind of parasitic worm.
mallophagous relating to the Mallophaga, an order of wingless parasitic insects, bird-lice or biting-lice.
mange an inflammation of the skin of animals caused by parasitic mites.
mesozoan a type of parasite.
metacercaria a parasitic trematode in encysted form.
microparasite a very small parasite.
microparasitic relating to a microparasite.
mistletoe a Eurasian evergreen shrub, with leathery leaves, yellowish flowers, and waxy white berries, grows as a partial parasite on various trees.
monogenean a monogenetic trematode, a kind of parasitic flatworm.
necrotroph a parasitic organism that kills the living cells of its host and then feeds on the dead material.
necrotrophic of or like a necrotroph, a parasitic organism that kills the living cells of its host and then feeds on the dead material.
nema a nematode, a parasitic worm with an unsegmented, cylindrical body.
nematode a parasitic worm with an unsegmented, cylindrical body.
nematodirus any of a genus of parasitic nematode worms found in the intestines of mammals.
nonparasitic not parasitic.
parasitaemia the presence of parasites in the blood.
parasitic of or like a parasite.
parasitical of or like a parasite.
parasitically (Adv.) PARASITIC, like a parasite.
parasiticalness the state of being parasitical.
parasiticidal destructive to parasites.
parasiticide the killing of parasites.
parasitisation the act of parasitising.
parasitise to infest or live on or with as a parasite.
parasitism the behavior of a parasite.
parasitization the act of parasitizing.
parasitize to infest or live on or with as a parasite.
parasitoid an insect parasitic in one phase of the life history, thereafter independent.
parasitologic relating to parasitology.
parasitological relating to parasitology.
parasitologist one who studies parasitology.
parasitology a branch of biology dealing with parasites and parasitism esp among animals.
parasitosis a disease resulting from parasites.
phytopathogen an organism parasitic on a plant host.
phytosis the presence of vegetable parasites or disease caused by them.
pinedrops a reddish herb of the United States, found parasitic on the roots of pine trees.
pinesap a reddish fleshy herb, formerly thought to be parasitic on the roots of pine trees, but more probably saprophytic.
pinworm a small nematoid worm, parasitic chiefly in the rectum of man.
piroplasm a parasite causing cattle fever, aka babesia.
piroplasma a parasite causing cattle fever, aka babesia.
procercoid the solid first parasitic larva of some tapeworms.
radicicolous inhabiting or parasitic on roots.
rafflesia any of various stemless leafless parasitic plants, native to Java and Sumatra.
rhizocephalan any member of the Rhizocephala, an order of cirripedes parasitic on crabs.
rhizocephalous of or like a rhizocephalan, a cirripede parasitic on crabs.
sandalwood a compact and fine-grained very fragrant E. Indian wood; the parasitic tree yielding it.
sarcocystis a sporozoan of the genus Sarcocystis, parasitic in muscles of mammals.
semiparasite a partial parasite, feeding partly independently.
semiparasitic of, relating to, or being a parasitic plant that contains some chlorophyll and is capable of photosynthesis.
semiparasitism the state of being semiparasitic.
sporozoan any parasitic protozoan of the class Sporozoa, including the causal organisms of malaria and pebrine.
sporozoon any parasitic protozoan of the class Sporozoa, including the causal organisms of malaria and pebrine.
squawroot a scaly parasitic plant found in oak woods in the United States.
strepsipterous of, relating or belonging to a genus of insects parasitic in other insects.
strongyl (Greek) a blunt rhabdus; a parasitic threadworm.
strongyle (Greek) a blunt rhabdus; a parasitic threadworm.
strongyloid a strongyl, a parasitic threadworm.
stylopid an insect that is a parasite of other insects.
stylopise to paralyse a host.
stylopize to paralyse a host.
stylops a genus of insects including parasitic wasps.
superparasitism parasitization of a host by more than one parasitic individual usually of one kind.
tapeworm a parasitic worm.
thiabendazole a drug used in the control of parasitic nematode worms and fungus infections and as an agricultural fungicide.
toxocara a kind of parasitic worm found in the intestines of dogs and cats.
toxocariasis a disease caused by parasitic worms.
trematode a kind of parasitic flatworm.
trematoid a kind of parasitic flatworm.
trichina (Lat.) a type of nematode worm parasitic in rat, pig, and man.
trichinella a kind of parasite causing infection.
tryp (Short for) a trypanosome, a parasite causing sleeping sickness.
trypanosome a parasite causing sleeping sickness.
tsetse (Setswana) a small fly that transmits trypanosome parasites.
tzetse (Setswana) a small fly that transmits trypanosome parasites.
tzetze (Setswana) a small fly that transmits trypanosome parasites.
unparasitised not parasitised.
unparasitized not parasitized.
viscum (Lat.) a genus of parasitic shrubs, including the mistletoe.
whipworm a kind of nematode worm often found parasitic in the human intestine.
witchbroom a dense abnormal growth of shoots on a tree or other woody plant, usually caused by parasitic fungi of the genus Taphrina.
xenodiagnosis the detection of a parasite (as of humans) by feeding a suitable intermediate host (as an insect) on supposedly infected material (as blood) and later examining the host for the parasite.