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Comprehensive
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angleworm a worm used as bait in fishing, esp. an earthworm.
bristle worm a segmented worm of the class Polychaeta with bristled appendages.
caterpillar a butterfly or moth larva, resembling a worm and often brightly colored. [1/2 definitions]
centipede a small animal with a narrow body like a worm. A centipede's body is divided into many segments, each having a pair of legs. The front legs have poison claws. Centipedes are a kind of arthropod and are active at night.
earthworm a long worm made up of many segments that loosens the soil by making tunnels.
glowworm a worm-shaped insect that can give off light from its body. The larvae and the females of the firefly are kinds of glowworm.
Guinea worm a long thin parasitic nematode worm of tropical Africa and Asia that lives under the skin of humans and other mammals.
heartworm a parasitic worm (Dirofilaria immitis) transmitted by mosquitos that infects the pulmonary arteries and heart of mammals, esp. dogs. [1/2 definitions]
helminth a worm, esp. a parasitic intestinal worm.
hookworm a parasitic bloodsucking worm with hooks around its mouth with which it attaches itself to human and animal intestine walls. [1/2 definitions]
larva a newly hatched, wingless insect, often in the form of a worm, before it undergoes metamorphosis into its adult form. [1/2 definitions]
leech a kind of worm that lives in water or mud and sucks blood from animals. Leeches were once used in medicine to draw blood from people. Leaches are still sometimes used to prevent blood from clotting when reattaching fingers and toes that have been cut off.
millipede a small animal that has a narrow body like a worm, with a hard outer layer. The body of the millipede is divided into many segments, and most segments have two pairs of legs. The millipede is a kind of arthropod.
nematode an unsegmented, usu. parasitic worm having an elongated, cylindrical body; roundworm.
pantyhose a close-fitting, see-through, stretchable garment worm by women that covers the feet, legs, and lower torso.
pinworm a small parasitic nematode worm that infests the large intestine and rectum, esp. in children.
polychaete any segmented worm of the class Polychaeta characterized by bristled appendages on each segment and usu. living in ocean water; bristle worms.
roundworm a worm with a long, cylindrical, unsegmented body that is a parasite in mammal intestines.
schistosomiasis a chronic, usu. tropical disease caused by an infestation of certain worm parasites, and producing disorders of the liver, bladder, lungs, or central nervous system.
sludgeworm a small freshwater worm that lives in sewage sludges or other muds that are low in oxygen but rich in organic matter.
trichina a tiny parasitic worm that causes trichinosis by residing, in the adult stage, in the intestines of its host animal and, during the larval stage, encysting the muscles.