Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 12, part D The Eukaryotes: Fungi, Algae, Protozoa, and.

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Presentation transcript:

Microbiology B.E Pruitt & Jane J. Stein AN INTRODUCTION EIGHTH EDITION TORTORA FUNKE CASE Chapter 12, part D The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

The Helminths versus other eukaryotic microbes Table 12.1

Helminths (parasitic worms) Eukaryotic Multicellular animals Chemoheterotrophic Some are Hermaphroditic Reduced digestive system Kingdom: Animalia Phylum: Platyhelminthes (flatworms) Class: Trematodes (flukes) Class: Cestodes (tapeworms) Phylum: Nematodes (roundworms ) Helminths

Trematodes Figure Flukes

Humans as Definitive Host Figure 12.26

Cestodes Figure Tapeworms Scolex Proglottids Reproductive parts

Humans as Intermediate Host Figure 12.28

Nematodes: Eggs Infective for Humans Figure Roundworms: Ascaris intestinal round worms Hookworm penetrates skin pinworm

Nematodes: Larvae Infective for Humans Figure 25.26

Kingdom: Animalia Phylum: Arthropoda (exoskeleton, jointed legs) Class: Insecta (6 legs) Lice, fleas, mosquitoes Class: Arachnida (8 legs) Mites and ticks May transmit diseases (vectors) Arthropods as Vectors Figure 12.31, 32

Arthropods as Vectors Figure If you believe you have been bitten by this bug, you should contact your personal physician.

Arthropods as Ectoparasites Ectoparasites scabies