Malaria and Cestodes
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20 Terms
What are the stages of Diphyllobothriidea?
Egg, Coracidium (free swimming aquatic), Procercoid larvae (1st intermediate host), Plerocercoid larvae (2nd intermediate host), Adult (definitive host)
What is the genus, species, and segment of this parasite?
Diphyllobothrium latum scolex
What is the genus, species, and segment of this parasite?
Diphyllobothrium latum mature proglottid
What is the genus, species, and segment of this parasite?
Diphyllobothrium latum gravid proglottid
What is the genus, species, and stage of this parasite?
Diphyllobothrium latum egg
What are the stages of Cyclophyllidea?
Egg, Oncosphere (hatches from egg in intermediate host), Larva (intermediate host), Adult worm (definitive host)
What is the scolex structure of T. solium?
armed rostellum
What is the scolex structure of T. saginata?
unarmed
What is the scolex structure of T. asiatica?
unarmed
What is the genus, species, and segment of this parasite?
Taenia gravid proglottid
Which Gravid proglottid does this belong to? 7-13 lateral uterine branches
Taenia solium
Which Gravid proglottid does this belong to? >15 lateral uterine branches
Taenia saginata
Which belongs to T. asiatica? >15 lateral uterine branches
Taenia asiatica
What is the genus, species, and stage of this parasite?
•31-43μm
• Spherical/subspherical
• Oncosphere enclosed by inner envelope, with two polar thickenings from which arise 4-8 polar
filaments
• 6 (3 pairs) of hooklets
Hymenolepis nana egg
What is the genus, species, and stage of this parasite?
• 60-86μm
• Spherical and slightly yellowish
• No polar filament
• Oncosphere with 6 (3 pairs) of hooks
Hymenolepis diminuta eggs
What is the genus, species, and stage of this parasite?
• 25-49 μm
• Thin walled with hexacanth oncosphere
• Passed in packets containing 8-15 eggs
Dipylidium caninum egg
What is the genus, species, and segment of this parasite?
Dipylidium caninum mature proglotti
What does the left side describe? (Genus and species)
Taenia saginata
What does the right side describe? (Genus and Species)
Taenia solium
What is the genus, species, and stage of this parasite?
Taenia species egg
Note 
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