is a fish tapeworm a segmented worm
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Fish Tapeworm After a person has eaten infected fish, the larva begin to grow in the intestine. Larvae are fully grown in 3 - 6 weeks. The adult worm, which is segmented, may reach a length of 30 feet. Eggs are formed in each segment of the worm and are passed in the stool. Sometimes, parts of the worm may also be passed in the stool. Fish tapeworm infection may lead to vitamin B12 deficiency and anemia.
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Annelida segmented worms (Also: ringed worms) By Phil Myers. The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity. Segmentation is also called metamerism.he annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity.
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- Another hookless tapeworm featuring four suckers on its scolex, Hymenolepsis diminuta is primarily a rodent parasite that uses an arthropod intermediate host. The related dwarf tapeworm, H. nana, is probably the most common human cestode in the world and its scolex features four suckers and a short rostellum of hooks.
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- The annelids are generally referred to as the segmented worms to distinguish them from the non-segmented flatworms and roundworms. The major defining characteristic of this phylum is the presence of a series of similar segments that make up the body.
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Tapeworms in Humans In this Article. Tapeworms are flat, segmented worms that live in the intestines of some animals. Animals can become infected with these parasites when grazing in pastures or drinking contaminated water. Eating undercooked meat from infected animals is the main cause of tapeworm infection in people. Although tapeworms in humans usually cause few symptoms and are easily treated, they can sometimes cause serious, life-threatening problems.
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Tapeworm Infection in Dogs Tapeworms are flat intestinal worms that are made up of many small segments, each about ¼ - ½ (3-5 mm) long. Unlike roundworms that live freely in the intestinal tract, tapeworms attach to the wall of the small intestine using hook-like mouthparts.Tapeworms belong to the cestode family of intestinal worms.he most common tapeworm of dogs and cats is Dipylidium caninum. The adult worms may reach up to 8 inches (20 cm) in length. The individual segments begin to develop starting behind the head and move down the tapeworm as they gradually mature, finally being shed at the opposite end, either singly or in short chains.
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Tapeworms in Humans Tapeworm Causes. Six types of tapeworms are known to infect people. They are usually identified by the animals they come from -- for example, Taenia saginata from beef, Taenia solium from pork, and Diphyllobothrium latum from fish. Tapeworms have a three-stage lifecycle: egg, an immature stage called a larva, and an adult stage at which the worm can produce more eggs.
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Diphyllobothrium The principal species causing diphyllobothriosis is Diphyllobothrium latum, known as the broad or fish tapeworm, or broad fish tapeworm. D. latum is a pseudophyllid cestode that infects fish and mammals.
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Tapeworms Tapeworms are long, flat worms that attach themselves to your dog’s (or cat's) intestines. A tapeworm body consists of multiple parts, or segments, each with its own reproductive organs. Tapeworm infections are usually diagnosed by finding segments—which appear as small white worms that may look like grains of rice or seeds—on the rear end of your dog, in your dog’s feces, or where your dog lives and sleeps.
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Worm Annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name.
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Annelida - Segmented Worms There are about 15,000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this phylum have metameric bodies. Metameric bodies are divided into segments called annuli. The annuli are covered in tiny hairs called setae. Setae help the worms move.
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Segmented Worms: The Animal Encyclopedia Animals Invertebrates. Segmented worms are divided into the following taxonomic groups: 1  Polychates-The polychaetes include about 12,000 species that are characterized by having multiple hairs on each segment. 2  They have nuchal organs on their neck that function as chemosensory organs.
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- Annelids are a phylum including earthworms, leeches, polychaete worms, and some other worm groups(3). Annelids are also called segmented worms because a defining feature they all share is a body most of which is divided into segments, each of which contains parts of the basic body systems (2).arthworms, freshwater worms, leeches, and marine worms are all annelids. This group is also called bristle worms because most annelids have tiny chitinous bristles called setae. The setae help terrestrial annelids grip their surroundings, and they aid aquatic forms with swimming.
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- Annelida. . Members of this phylum may be most familiar: the common earthworm, leech and nightcrawler belong to this group. There are three general types of segmented worms. One group is entirely marine (the polychaetes), while the other two groups are either terrestrial or live in freshwater. Members of this phylum may be most familiar: the common earthworm, leech and nightcrawler belong to this group. There are three general types of segmented worms. One group is entirely marine (the polychaetes), while the other two groups are either terrestrial or live in freshwater.
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Annelida segmented worms (Also: ringed worms) The internal organs of annelids are well developed. They include a closed, segmentally-arranged circulatory system. The digestive system is a complete tube with mouth and anus. Gases are exchanged through the skin, or sometimes through specialized gills or modified parapodia.
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- There is a typical head, with a mouth and sensory organs and processors (segmented worms show cephalization and the connected bilateral symmetry), and a back end, with the exit of the digestive system and sensory organs to detect things sneaking up from behind.
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Annelida segmented worms (Also: ringed worms) The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity.Segmentation is also called metamerism.he internal organs of annelids are well developed. They include a closed, segmentally-arranged circulatory system. The digestive system is a complete tube with mouth and anus. Gases are exchanged through the skin, or sometimes through specialized gills or modified parapodia.
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Annelida - Segmented Worms The head and the rear of the body is not segmented. The digestive system of species in this phylum runs the length of the body. Food is taken in at one end of the body and expelled at the other end. Annelids have two sets of muscles that help them move.here are about 15,000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this phylum have metameric bodies. Metameric bodies are divided into segments called annuli.
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- Segmented worms make up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.Polychaetes (meaning many bristles) have many bristles on the body, while earthworms and leeches have fewer bristles. Some are parasitic, as the leeches; others filter-feed or prey on other invertebrates.egmented wormsmake up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.
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Annelidaâ Details Annelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards. Through most of the 20th century Annelida was split into three major groups; Polychaeta, Oligochaeta (earthworms etc.) and Hirudinea (leeches).
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- Learn more about this article. The annelids (Phylum Annelida) are also called the segmented worms due to their segmented bodies. This group includes the most familiar of all invertebrate worms.Earthworms, freshwater worms, leeches, and marine worms are all annelids.This group is also called bristle worms because most annelids have tiny chitinous bristles called setae. The setae help terrestrial annelids grip their surroundings, and they aid aquatic forms with swimming.arthworms, freshwater worms, leeches, and marine worms are all annelids. This group is also called bristle worms because most annelids have tiny chitinous bristles called setae. The setae help terrestrial annelids grip their surroundings, and they aid aquatic forms with swimming.
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Is Tapeworm in Dogs Contagious? Tapeworms have flat, segmented bodies that can extend over 2 feet long, although many only grow to a few inches or less. Each segment contains a large number of eggs, which are released when it works its way out of its host's intestines via normal bowel movements.
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- Segmented wormsmake up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.Polychaetes (meaning many bristles) have many bristles on the body, while earthworms and leeches have fewer bristles.Some are parasitic, as the leeches; others filter-feed or prey on other invertebrates.egmented wormsmake up the Phylum Annelida. The phylum includes earthworms, leeches, and a large number of mostly marine worms known as polychaetes.
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Phylum Platyhelminthes Phylum Platyhelminthes. 1. The Phylum Platyhelminthes (flatworms) includes planarians (Class Turbellaria), tapeworms (Class Cestoda), and flukes (Class Trematoda). The planarians are harmless, free-living flatworms. They live in an aquatic environment (freshwater or marine) or on moist soil.he Phylum Platyhelminthes (flatworms) includes planarians (Class Turbellaria), tapeworms (Class Cestoda), and flukes (Class Trematoda).
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segmented worms Annelida. The animals in the Annelida are segmented worms. They have no legs, and no hard skeleton. Unlike mollusks, annelid bodies are divided into many little segments, like rings joined together. There are many other kinds of worms, but only annelids are segmented this way.There are three main groups of annelids, the earthworms (and their relatives), the leeches, and a big group that lives in the ocean and are called polychaetes (pol-ee-keets).here are many other kinds of worms, but only annelids are segmented this way. There are three main groups of annelids, the earthworms (and their relatives), the leeches, and a big group that lives in the ocean and are called polychaetes (pol-ee-keets).