Lab 9 Platyhelminthes

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30 Terms

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Phylum Platyhelminthes

this phylum is made of flatworms

<p>this phylum is made of flatworms</p>
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Genus Dugesia

Phylum Platyhelminthes

Class Turbellaria

<p>Phylum Platyhelminthes</p><p>Class Turbellaria</p>
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bilateral symmetry

Body plan in which only a single, imaginary line can divide the body into two equal halves.

<p>Body plan in which only a single, imaginary line can divide the body into two equal halves.</p>
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gastrovascular cavity

term for a Digestive chamber with a single opening, in which cnidarians, flatworms, and echinoderms digest food

<p>term for a Digestive chamber with a single opening, in which cnidarians, flatworms, and echinoderms digest food</p>
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triclad gut

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Pharynx

the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.

<p>the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.</p>
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Auricles

ear-like projections, sensitive to chemicals and touch

<p>ear-like projections, sensitive to chemicals and touch</p>
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Eyespots

sensory structure that determines intensity and direction of light

<p>sensory structure that determines intensity and direction of light</p>
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Dugesia cross section

-triploblastic

<p>-triploblastic</p>
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gastrodermis

this lines the gastrovascular cavity

<p>this lines the gastrovascular cavity</p>
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Mesenchyme

This is a jellylike substance that separates the epidermis from the inner cells

<p>This is a jellylike substance that separates the epidermis from the inner cells</p>
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pharyngeal cavity

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Dorsoventral muscles

used to flatten the body

<p>used to flatten the body</p>
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Genus Clonorchis

Phylum Platyhelminthes

Class Trematoda

-chinese liver fluke

<p>Phylum Platyhelminthes</p><p>Class Trematoda</p><p>-chinese liver fluke</p>
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Cercaria larva

tadpolelike larva of trematodes

<p>tadpolelike larva of trematodes</p>
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Metacercaria larva

Cercaria larva sheds its tail after attaching to a host then turns into this

<p>Cercaria larva sheds its tail after attaching to a host then turns into this</p>
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Clonorchis life cycle

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Ventral sucker

term for organ for attachment to a host found on the lower or abdominal surface of some flukes

<p>term for organ for attachment to a host found on the lower or abdominal surface of some flukes</p>
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Pharynx (clonorchis)

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Esophagus (clonorchis)

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yolk glands (clonorchis)

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ovary (clonorchis)

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Testes (clonorchis)

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Genus Taenia

Phylum Platyhelminthes

Class Cestoda

<p>Phylum Platyhelminthes</p><p>Class Cestoda</p>
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Scolex

head of tapeworm

<p>head of tapeworm</p>
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immature, mature, gravid proglottid

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Ovary (Tapeworm)

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Tapeworm reproductive organs

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Sheep Liver Fluke (Fasciola hepatica)

Phylum Platyhelminthes

Class Trematoda

<p>Phylum Platyhelminthes</p><p>Class Trematoda</p>
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cercaria larvae of trematodes

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