In this article we will discuss about Platyhelminthes:- 1. Habit and Habitat of Platyhelminthes 2. Structure of Platyhelminthes 3. Organs of Adhesion 4. Body Wall 5. Digestive System 6. Excretory System 7. Respiratory System 8. Nervous System 9. Reproductive System 10. Development 11. Phylogenetic Considerations. Habit and Habitat of Platyhelminthes: The platyhelminthes are mostly ecto or endoparasitic and few are [...]
In this article we will discuss about Platyhelminthes:- 1. General Characters of Platyhelminthes 2. Classification of Platyhelminthes. General Characters of Platyhelminthes: 1. Platyhelminthes are bilaterally symmetrical and dorsoventrally flattened, triploblastic worms. 2. Body shape generally worm-like but varies from moderately elongated flattened shape to long flat ribbons and leaf-like. 3. The flatworms are small to moderate in size varying from [...]
The following points highlight the twelve representative types of Platyhelminthes. The types are: 1. Convoluta 2. Thysanozoon 3. Gyrodactylus 4. Aspidogaster 5. Opisthorchis 6. Schistosoma 7. Gyrocotyle 8. Tetrarhynchus 9. Diphyllobothrium 10. Taenia Saginata 11. Echinococcus 12. Hymenolepis. Platyhelminthes: Type # 1. Convoluta: Convoluta (Fig. 43.1) is exclusively marine form living under stones among algae. It is a small worm [...]