PARA LAB EXAM

• nematodes: also known as roundworm
• nematodes: elongated, cylindrical in shape with bilaterally symmetry
• nematodes: body cavity is filled with fluid called pseudocoelom
• nematodes: provided with separate sexes, and some are parthenogenic
• sensory organs in the anterior and posterior ends of the worm, called amphids and phasmids
• only three are aphasmid worms: Trichuris, Trichinella, and Capillaria
• Found in small intestine: Capillaria, Hookworms, Ascaris, Trichinella, and Strongyloides stercoralis
• Found in colon: Trichuris, Enterobius
• Found in extraintestinal nematodes: Wuchereria, Brugia
• Wuchereria and Brugia recovered from the lymph nodes and lymph vessels
• Angiostrongylus reported from the: eyes and meninges.
• Larvae of Trichinella: encysted in the muscles
• Ingestion of embryonated eggs: mode of infection of Ascaris, Trichuris, and Enterobius
• Skin penetration of filariform larvae is the mode of infection of: hookworms, and Strongyloides stercoralis
• Bite of mosquito is the mode of transmission of: Wuchereria, Brugia