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johnny

27-1 Flat worms

TermDefinition
Acoelomate any organism that lacks a cavity between the body wall and the digestive tract, including the flatworms, nemertines, and sea anemones.
Coelom the body cavity of higher metazoans, between the body wall and intestine, lined with a mesodermal epithelium.
Pharynx the tube or cavity, with its surrounding membrane and muscles, that connects the mouth and nasal passages with the esophagus.
Flame call one of the hollow cells terminating the branches of the excretory tubules of certain invertebrates, having a tuft of continuously moving cilia.
Ganglion a mass of nerve tissue existing outside the central nervous system.
Eyespot a sensory organ of lower animals, having a light-perceiving function.
Hermaphrodite an individual in which reproductive organs of both sexes are present.
Fission the division of an organism into new organisms as a process of reproduction.
Scolex the anterior, headlike segment of a tapeworm, having suckers, hooks, or the like, for attachment.
Proglottid one of the segments or joints of a tapeworm, containing complete reproductive systems, usually both male and female.
Testis the male gonad or reproductive gland, either of two oval glands located in the scrotum.
Pseudocoelom the body cavity of certain invertebrate metazoan animals between the body wall and the intestine, which is not lined with a mesodermal epithelium.
Anus the opening at the lower end of the alimentary canal, through which the solid refuse of digestion is excreted.
Flatworm Phylum Platyhelmethis
Roundworm Phylum Nematoda
Class Trematoda Phylum of Platyhelmethis, two groups of parasitic worms know as flukes
Class Turbellaria one of the traditional sub-divisions of the phylum Platyhelminthes
Class Cestoda Cestoda is a class of parasitic flatworms, of the phylum Platyhelminthes. Biologists informally refer to them as cestodes.
Flukes They are internal parasites of molluscs and vertebrates. Most trematodes have a complex life cycle with at least two hosts.
Blood flukes A genus of trematodes, Schistosoma, commonly known as blood-flukes, are parasitic flatworms responsible for a highly significant group of infections in humans termed schistosomiasis.
Trichina worm is a parasitic nematode worm that causes trichinosis, a serious disease in humans and other meat-eating mammals. A member of the phylum Aschelminthes
Filarial Worms parasitic thread-like round nematodes that cause a group of tropical infectious disease called Filariasis (Philariasis). The larvae are transmitted to humans through a mosquito bite.
Ascaris a genus of parasitic nematode worms known as the "small intestinal roundworms", which is a type of helminth.[1] One species, Ascaris lumbricoides, affects humans and causes the disease ascariasis.
Hookworms a parasitic nematode worm that inhabits the intestines of humans and other animals. It has hooklike mouthparts with which it attaches itself to the wall of the gut, puncturing the blood vessels and feeding on the blood.
Significant RoundWorm C. Elegans Its free living and its a microscopic roundworm
Free-living Vs Parasitic temperature change, movement, where it lives, and its ecological impact. Protozoans are bacteria. Some bacteria help to break down organisms in the soil and compost. They help with ecology. They also are food for fish and small animals and plants.
RoundWorm diease trichinosis
Flatworms Characteristics soft, flattened worms that have tissues and internal organ systems. They have 3 embryonic germ layers.
Flatworm group characteristics List the three groups of flatworms and give an example of each. Turbellarians, Flukes, and Tapeworms.Turbellarians free living flatworms. Flukes are parasitic flatworms. Turbellarians are long flat parasitic worms
What Roundworms are important to human disease Parasitic roundworms
Created by: j4bomber