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KMID : 0383419680090010097
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Korean Modern Medical Journal
1968 Volume.9 No. 1 p.97 ~ p.106
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Studies on Intake of Nutrients by the Clonorchis sinensis, Especially on the Intake, Digestion and Absorption of Host Erythrocytes
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Abstract
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Experimental studies were carried out to observe the intestinal contents and the distribution of `hemoglobin and visible iron in Clonorchis sinensis. The worms were obtained from the rabbits artificially infected with metacercariae of Clonorchis sinensis.
The author also observed hemoglobin consumption of the worm in vitro, and intake of rabbit red blood cells by the worm autoradiographically.
The experimental results were discussed .and the following conclusions were obtained.
1. Clonorchis sinensis takes up the host red blood cells by the oral sucker. The red blood cells are transfered through the esophagus to the intestinal canal. Within the canal they are destroyed and their contents are liberated.
2. Clonorchis sinensis utilizes hemoglobin as a nutrient. A part of the hemoglobin is absorbed in the wall of the digestive tract, but it cannot go into the deep tissues beyond the digestive tract.
3. The intestinal wall as well as the intestinal contents reveals significant . amounts of visible iron, while the subcuticular layer, reticular tissues and reproductive organs show traces of this mineral.
The author would like to state on the basis of the above that a part of visible iron originated from the hemoglobin is absorbed through the intestine and is stored in some tissues of the worm and the excessive iron produced in the intestinal canal seems to be carried backward to excrete through the oral sucker.
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