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Korean J Parasitol > Volume 23(1):1985 > Article

Original Article
Korean J Parasitol. 1985 Jun;23(1):175-177. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1985.23.1.175
Copyright © 1985 by The Korean Society for Parasitology
A preliminary observation on watery content of small intestine in Metagonimus yokogawai infected dog
S Y Cho,S I Kim,Y E Earm and W K Ho*
Department of Parasitology, College of Medicine, Chung-Ang University, Seoul, Korea.
*Department of Physiology, College of Medicine, Seoul National University, Seoul, Korea.

The intestinal contents of a dog infected with 49,732 M. yokogawai for 8 weeks were normal but in a 4-week-old infection the intestinal water content correlated roughly with the number of worms. Most worms were found 40 to 102 cm along the small intestine but the entire length was parasitized. The concentrations of Na+, K+ and Cl- decreased and the concentration of HCO3- and pH increased along the small intestine while the osmolarity remained roughly constant (324 to 340 mOsm/kg).


Fig1. 1
Relationship between the number of adult worm (○…○) and the amount of watery content (▲…▲) on each segment. the dog was killed on the 4th week of the experimental infection.


Table 1
Adult worm recovery, amount, pH, osmolarity, protein and electrolytes concentration in watery content in the lumen of small intestine by 6 equal division (40cm each)

1. Chai JY. Seoul J Medicine 1979;29(2):104–117.
2. Lee JB, Chi JG, Lee SK, Cho SY. Study On The Pathology Of Metagonimiasis In Experimentally Infected Cat Intestine. Korean J Parasitol 1981;19(2):109–129.
3. Torres-Pinedo R, Lavastida M, Rivera CL, Rodriguez H, Ortiz A. Studies on infant diarrhea. I. A comparison of the effects of milk feeding and intravenous therapy upon the composition and volume of the stool and urine. J Clin Invest 1966;45(4):469–480.
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