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Blood Fluke (Male) - Schistosoma mansoni Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.<br />
<br />
The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails. Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.<br />
<br />
*Whole mount slide<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/114415/blood_fluke_male_-_schistosoma_mansoni.html" title="Blood Fluke (Male) - Schistosoma mansoni"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/114415_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=EYorIBqi7JNNtsN9bffA3E366h4%3D" width="200" height="150" alt="Blood Fluke (Male) - Schistosoma mansoni Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.<br />
<br />
The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails.  Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.<br />
<br />
*Whole mount slide<br />
https://www.jungledragon.com/image/114414/blood_fluke_male_-_schistosoma_mansoni.html<br />
https://www.jungledragon.com/image/114413/blood_fluke_male_-_schistosoma_mansoni.html Geotagged,Schistosoma,Schistosoma mansoni,United States,Winter,blood fluke,schistosomiasis,snail fever" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/114413/blood_fluke_male_-_schistosoma_mansoni.html" title="Blood Fluke (Male) - Schistosoma mansoni"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/114413_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1759968010&Signature=3aGWSrRC1FYyYkDUaw1vSITB6p4%3D" width="200" height="150" alt="Blood Fluke (Male) - Schistosoma mansoni Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.<br />
<br />
The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails. Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.<br />
<br />
*Whole mount slide; this photo was taken at low magnification, just so that I could get a shot of the entire worm.<br />
https://www.jungledragon.com/image/114415/blood_fluke_male_-_schistosoma_mansoni.html<br />
https://www.jungledragon.com/image/114414/blood_fluke_male_-_schistosoma_mansoni.html Geotagged,Schistosoma mansoni,United States" /></a></figure> Geotagged,Schistosoma mansoni,United States,Winter Click/tap to enlarge Promoted

Blood Fluke (Male) - Schistosoma mansoni

Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.

The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails. Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.

*Whole mount slide

Blood Fluke (Male) - Schistosoma mansoni Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.<br />
<br />
The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails.  Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.<br />
<br />
*Whole mount slide<br />
https://www.jungledragon.com/image/114414/blood_fluke_male_-_schistosoma_mansoni.html<br />
https://www.jungledragon.com/image/114413/blood_fluke_male_-_schistosoma_mansoni.html Geotagged,Schistosoma,Schistosoma mansoni,United States,Winter,blood fluke,schistosomiasis,snail fever

Blood Fluke (Male) - Schistosoma mansoni Schistosoma mansoni is a water-borne parasite in humans. It is the most prevalent parasite in humans and causes intestinal schistosomiasis, which infects over 250 million people worldwide. It is considered to be a Neglected Tropical Disease. Treatment is inexpensive and only costs about US$0.20 per child per year! And yet, treatment is still hard to obtain in poor, developing countries.<br />
<br />
The disease is spread by contact with fresh water contaminated with the parasites, which are released from infected snails. Symptoms include abdominal pain and diarrhea . Long-term, it can cause liver damage, kidney failure, infertility, or bladder cancer. Children are particularly vulnerable because they play in water, which is often contaminated with infected snails.<br />
<br />
*Whole mount slide; this photo was taken at low magnification, just so that I could get a shot of the entire worm.<br />
https://www.jungledragon.com/image/114415/blood_fluke_male_-_schistosoma_mansoni.html<br />
https://www.jungledragon.com/image/114414/blood_fluke_male_-_schistosoma_mansoni.html Geotagged,Schistosoma mansoni,United States

    comments (9)

  1. This is nightmarish. Tiny Lovecraftian horrors. Posted 4 years ago
    1. That would be a great title for a list: Tiny Lovecraftian Horrors. Or, at least 'Tiny Horrors' for those who don't know who Lovecraft is. Posted 4 years ago
      1. I love that idea! <3 This observation would fit in :
        Horsehair Worm (Phylum Nematamorpha) Wriggling in leaf litter in a flooded forest understory (near a bubbling spring). These creepy crawlers were very interested in me and would raise their heads (?) to investigate me while I photographed.<br />
<br />
Possibly Gordius sp., but I'm looking into it. <br />
https://www.jungledragon.com/image/107200/horsehair_worm_phylum_nematamorpha.html<br />
<br />
Despite their cringe factor, horsehair worms are fascinating insect parasites. They are most known for parasitizing crickets, cockroaches, beetles, mantids, and grasshoppers. Their lifecycle is complex, usually beginning with mayfly larvae eating their eggs from bodies of water. Once the mayfly develops into an adult, it is then eaten by other insects which then "activates" the growth of the horsehair worm inside its body. Free-will is hijacked by the parasite, and the insect is driven to find a body of water in which to plunge itself. Here, the parasite exits these parasitized insect in order to reproduce and lay eggs. <br />
A wild video of this process:<br />
https://youtu.be/YB6O7jS_VBM Geotagged,United States,Winter
        Posted 4 years ago
        1. Ohhhhh, definitely. Posted 4 years ago
        2. The list has been started:
          Posted 4 years ago
  2. Amazing abstract horror shot! Posted 4 years ago
    1. Hehe, thanks! There are many more to come, but it will be a slow trickle. Posted 4 years ago
  3. So interesting Posted 4 years ago
    1. Thanks :) Posted 4 years ago

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''Schistosoma mansoni'' is a water-borne parasite of humans, and belongs to the group of blood flukes. The adult lives in the blood vessels near the human intestine. It causes intestinal schistosomiasis. Clinical symptoms are caused by the eggs.

Similar species: Diplostomida
Species identified by Christine Young
View Christine Young's profile

By Christine Young

All rights reserved
Uploaded May 8, 2021. Captured Jan 1, 2012 00:00 in 5 East St, New Milford, CT 06776, USA.
  • 5MP-DSC
  • f/3.0
  • 1/500s
  • 7.3mm