Definition of worm

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Worm (n.) Any helminth; an entozoon.

Lern More About Worm

Gourdworm :: Gourdworm (n.) The fluke of sheep. See Fluke.
Worm :: Worm (n.) Any annelid.
Palmerworm :: Palmerworm (n.) In America, the larva of any one of several moths, which destroys the foliage of fruit and forest trees, esp. the larva of Ypsolophus pometellus, which sometimes appears in vast numbers..
Wormal :: Wormal (n.) See Wormil.
Ringworm :: Ringworm (n.) A contagious affection of the skin due to the presence of a vegetable parasite, and forming ring-shaped discolored patches covered with vesicles or powdery scales. It occurs either on the body, the face, or the scalp. Different varieties are distinguished as Tinea circinata, Tinea tonsurans, etc., but all are caused by the same parasite (a species of Trichophyton)..
Nematelminthes :: Nematelminthes (n. pl.) An ordr of helminths, including the Nematoidea and Gordiacea; the roundworms..
Ascarid :: Ascarid (n.) A parasitic nematoid worm, espec. the roundworm, Ascaris lumbricoides, often occurring in the human intestine, and allied species found in domestic animals; also commonly applied to the pinworm (Oxyuris), often troublesome to children and aged persons..
Chaetognatha :: Chaetognatha (n. pl.) An order of free-swimming marine worms, of which the genus Sagitta is the type. They have groups of curved spines on each side of the head..
Palmer :: Palmer (n.) A palmerworm.
Girdle :: Girdle (n.) The clitellus of an earthworm.
Thousand Legs :: Thousand legs () A millepid, or galleyworm; -- called also thousand-legged worm..
Platyelminthes :: Platyelminthes (n. pl.) A class of helminthes including the cestodes, or tapeworms, the trematodes, and the turbellarians. Called also flatworms..
Trematodea :: Trematodea (n. pl.) An extensive order of parasitic worms. They are found in the internal cavities of animals belonging to all classes. Many species are found, also, on the gills and skin of fishes. A few species are parasitic on man, and some, of which the fluke is the most important, are injurious parasites of domestic animals. The trematodes usually have a flattened body covered with a chitinous skin, and are furnished with two or more suckers for adhesion. Most of the species are hermaphrodi
Flatworm :: Flatworm (n.) Any worm belonging to the Plathelminthes; also, sometimes applied to the planarians..
Helminth :: Helminth (n.) An intestinal worm, or wormlike intestinal parasite; one of the Helminthes..
Ophiomorpha :: Ophiomorpha (n. pl.) An order of tailless amphibians having a slender, wormlike body with regular annulations, and usually with minute scales imbedded in the skin. The limbs are rudimentary or wanting. It includes the caecilians. Called also Gymnophiona and Ophidobatrachia..
Peristaltic :: Peristaltic (a.) Applied to the peculiar wormlike wave motion of the intestines and other similar structures, produced by the successive contraction of the muscular fibers of their walls, forcing their contents onwards; as, peristaltic movement..
Vermiformia :: Vermiformia (n. pl.) A tribe of worms including Phoronis. See Phoronis.
Enthelminthes :: Enthelminthes (n. pl.) Intestinal worms. See Helminthes.
Santonin :: Santonin (n.) A white crystalline substance having a bitter taste, extracted from the buds of levant wormseed and used as an anthelmintic. It occassions a peculiar temporary color blindness, causing objects to appear as if seen through a yellow glass..
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