Search the Dictionary

Same as Nematoid.

f the parasites Agchylostoma duodenale, Uncinaria (subgenus Necator) americana, or allied nematodes, in the small intestine. When present in large numbers they produce a severe anæmia by sucking the blood from the intestinal walls. Called also miner's anæmia, tunnel disease, brickmaker's anæmia, Egyptian chlorosis.…

uilla. The electrical eel is a species of Gymnotus. The so called vinegar eel is a minute nematode worm. See Conger eel, Electric eel, and Gymnotus.

A genus of slender, nematode worms of many species, parasitic in various animals. See Guinea worm.

of young poultry and other birds, attended with much gaping. It is caused by a parasitic nematode worm (Syngamus trachealis), in the windpipe, which obstructs the breathing. See Gapeworm.

Certain species of nematodes of the genus Filaria, sometimes found in the blood of man, the horse, the dog, etc.

round, and generally smooth body; the roundworms. they are mostly parasites. Called also Nematodea, and Nematoda.

A central cord of the ovary of nematodes.

Like, or pertaining to, Strongylus, a genus of parasitic nematode worms of which many species infest domestic animals. Some of the species, especially those living in the kidneys, lungs, and bronchial tubes, are often very injurious. -- n.

Any long, slender nematode worm, especially the pinworm and filaria.

ar, acetic acid. -- Thieves' vinegar. See under Thief. -- Vinegar eel (Zoöl.), a minute nematode worm (Leptodera oxophila, or Anguillula acetiglutinis), commonly found in great numbers in vinegar, sour paste, and other fermenting vegetable substances; -- called also vinegar worm. -- Vinegar lamp (Chem.), a fanciful…

A small nematode worm (Anguillula tritici) which attacks the grains of wheat in the ear. It is found in wheat affected with smut, each of the diseased grains containing a large number of the minute young of the worm.

A nematode worm (Trichocephalus dispar) often found parasitic in the human intestine. Its body is thickened posteriorly, but is very long and threadlike anteriorly.