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Questions and Answers
Which phylum do helminths that exist as parasites in humans belong to?
Which phylum do helminths that exist as parasites in humans belong to?
- Phylum Arthropoda
- Phylum Platyhelminthes (correct)
- Phylum Annelida
- Phylum Nematoda
What is the general morphology of trematodes?
What is the general morphology of trematodes?
- Flat
- Round
- Tuberculated
- Leaf-like (correct)
What is the alimentary tract like in flat worms?
What is the alimentary tract like in flat worms?
- Well-developed and complex
- Short and straight
- Rudimentary or completely absent (correct)
- Highly branched
Which organ is responsible for attachment in trematodes?
Which organ is responsible for attachment in trematodes?
What is the length range of adult trematodes?
What is the length range of adult trematodes?
Which part of the tapeworm is responsible for attachment to the host?
Which part of the tapeworm is responsible for attachment to the host?
Where in the tapeworm does the growth of proglottids occur?
Where in the tapeworm does the growth of proglottids occur?
What are the segments of the tapeworm called?
What are the segments of the tapeworm called?
What is the function of the mature proglottids in the tapeworm?
What is the function of the mature proglottids in the tapeworm?
What do the gravid proglottids of the tapeworm contain?
What do the gravid proglottids of the tapeworm contain?
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Study Notes
Helminths and Parasites
- Helminths that exist as parasites in humans belong to the phylum Platyhelminthes.
Morphology of Trematodes
- Trematodes, also known as flatworms, have a flat, ribbon-like body shape.
Alimentary Tract of Flat Worms
- The alimentary tract of flatworms is incomplete, lacking a mouth and anus.
Attachment in Trematodes
- The organ responsible for attachment in trematodes is the oral sucker.
Size Range of Adult Trematodes
- Adult trematodes range in length from 1 to 10 cm.
Tapeworm Attachment
- The scolex, a specialized organ, is responsible for attachment to the host in tapeworms.
Growth of Proglottids
- The growth of proglottids occurs in the neck region of the tapeworm.
Segments of Tapeworms
- The segments of the tapeworm are called proglottids.
Function of Mature Proglottids
- The function of mature proglottids is to produce eggs.
Gravid Proglottids
- Gravid proglottids of the tapeworm contain thousands of eggs.
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