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Ho-Chun Woo	3 Articles
Developmental surface ultrastructure of Macroorchis spinulosus in albino rats Sung-Jong Hong, Ho-Chun Woo, Oh Sil Kwon Korean J Parasitol 2004;42(4):151-157. Published online December 20, 2004 DOI: https://doi.org/10.3347/kjp.2004.42.4.151 Abstract PDF Developmental surface ultrastructure of Macroorchis spinulosus was studied by scanning electron microscopy. One-day-old juvenile fluke was leaf-shaped and bent ventrally. Body surface was covered densely with peg-like spines and with cobblestone-like cytoplasmic processes. Ciliated sensory papillae were concentrated around oral sucker. Several unciliated sensory papillae occurred equidistantly on oral sucker and acetabulum. The ciliated papillae appeared in two longitudinal lines symmetric bilaterally on dorsal surface. On adult flukes, tegumantal spines became wider in middle of the body surface. The cytoplasmic processes differentiated into more fine velvety form. It is likely that the differentiated fine cytoplasmic processes are an increased absorptive surface to adult M. spinulosus. It is suggested that single pointed tegumental spines on anterior half of the body may be supportive for this fluke to migration. Citations Citations to this article as recorded by Evaluation of the effects of methanolic leaf extracts from certain meliaceae plants (Azadirachta indica and Melia azedarach) on the emerging xiphidioceraciae of Phaneropsolus praomidis (Baer, 1971) Mohammed E. El-Zeiny Journal of Parasitic Diseases.2026;[Epub] CrossRef Evaluation of the effect of larval metamorphosis of some digenetic parasites within the digestive gland tissues of the freshwater ampullariid snails, Lanistes carinatus (Olivier, 1804) Mohammed E. El-Zeiny, Ola A. Abu Samak, Shereen A. Fahmy, Abdel Aziz A. Khidr Parasitology International.2025; 108: 103078. CrossRef Lethal effects of praziquantel and albendazole, on the cercariae of Echinochasmus sp. (Dietz, 1909) in-vitro Mohammed E. El-Zeiny, Ola A. Abu Samak, Shereen A. Fahmy, Abdel Aziz A. Khidr Journal of Parasitic Diseases.2024; 48(2): 320. CrossRef *Molecular Description of Macroorchis spinulosus* (Digenea: Nanophyetidae) Based on ITS1 Sequences** Eun Jeong Won, Deok-Gyu Kim, Jaeeun Cho, Bong-Kwang Jung, Min-Jae Kim, Yong Woon Yun, Jong-Yil Chai, Dong Wook Ryang The Korean Journal of Parasitology.2016; 54(1): 109. CrossRef Surface ultrastructure of Plagiorchis muris growth and developmental stages in rats, the final host Sung-Jong Hong Parasitology Research.2009; 105(4): 1077. CrossRef Surface ultrastructure of the plagiorchid trematode Glossidium pedatum Looss, 1899 from bagrid fish in Egypt Mohammed Hasan Ibraheem Acta Zoologica.2007; 88(2): 173. CrossRef MORPHOLOGICAL OBSERVATIONS OF ECHINOCHASMUS JAPONICUS CERCARIAE AND THE IN VITRO MAINTENANCE OF ITS LIFE CYCLE FROM CERCARIAE TO ADULTS Min-Ho Choi, Sae Hoon Kim, Jong-Hoon Chung, Hye-Jin Jang, Joon-Ho Eom, Byung-Suk Chung, Woon-Mok Sohn, Jong-Yil Chai, Sung-Tae Hong Journal of Parasitology.2006; 92(2): 236. CrossRef 7,662 View 65 Download Crossref Recovery, growth and development of Macroorchis spinulosus in albino rats Ho-Chun Woo, Jong-Yil Chai, Sung-Jong Hong Korean J Parasitol 2003;41(1):27-33. Published online March 20, 2003 DOI: https://doi.org/10.3347/kjp.2003.41.1.27 Abstract PDF The developmental features, growth and organogenesis of Macroorchis spinulosus were observed in albino rats. Globular and thick walled metacercariae, possessed a stylet, Y-shaped excretory bladder and extracecal testes. In albino rats, M. spinulosus showed habitat shifting. The majority of M. spinulosus reside in the jejunum for the first four days post infection (p.i.) and migrate to the duodenum at the later stage of infection. M. spinulosus grew rapidly during the first four days and reached full maturity at 14 days p.i. and later reduced in size. The ovary was separated from the genital primodium at one day p.i. The seminal vesicle appeared on the third day and divided into two sacs on the fourth day p.i. and intrauterine eggs and sperm mass were produced on the fourth day. Organogenesis and enlargement of reproductive organs governed the growth of M. spinulosus. The similarity of related species of the genus Macroorchis to M. spinulosus was discussed in consideration to developmental features. Citations Citations to this article as recorded by *Molecular Description of Macroorchis spinulosus* (Digenea: Nanophyetidae) Based on ITS1 Sequences** Eun Jeong Won, Deok-Gyu Kim, Jaeeun Cho, Bong-Kwang Jung, Min-Jae Kim, Yong Woon Yun, Jong-Yil Chai, Dong Wook Ryang The Korean Journal of Parasitology.2016; 54(1): 109. CrossRef Surface ultrastructure of the plagiorchid trematode Glossidium pedatum Looss, 1899 from bagrid fish in Egypt Mohammed Hasan Ibraheem Acta Zoologica.2007; 88(2): 173. CrossRef Developmental surface ultrastructure of Macroorchis spinulosus in albino rats Sung-Jong Hong, Ho-Chun Woo, Oh Sil Kwon The Korean Journal of Parasitology.2004; 42(4): 151. CrossRef 7,473 View 92 Download Crossref Infection status of dragonflies with Plagiorchis muris metacercariae in Korea Sung-Jong Hong, Ho-Chun Woo, Soo-Ung Lee, Sun Huh Korean J Parasitol 1999;37(2):65-70. Published online June 30, 1999 DOI: https://doi.org/10.3347/kjp.1999.37.2.65 Abstract PDF Plagiorchis muris has been found in both house and field rats as well as in humans. The infection status of the second intermediate hosts of P. muris is prerequisite in understanding their biological features in an ecosystem. Six species of dragonflies were caught in a wide range of areas in Korea; and they were Sympetrum darwinianum, S. eroticum, S. pedomontanum, S. infuscatum, Pantala flavoscens, Calopteryx atrata, and Orthetrum albistylum speciosum. The occurrence of P. muris metacercariae in dragonflies was nationwide with various infection rates. The metacercarial burden of P. muris in the surveyed areas was the highest in S. eroticum followed by S. darwinianum, S. pedomontanum, and C. atrata. The highest infection rate by P. muris metacercariae was found in S. darwinianum followed by S. eroticum. The metacercarial burden was particularly heavy in the dragonflies found in Hamyang-gun and Kosong-gun, Kyongsangnam-do. It is, therefore, likely that dragonflies play a significant role as the second intermediate host in the life cycle of P. muris in Korea. Citations Citations to this article as recorded by Integrated nuclear rDNA, mitochondrial genome, and morphological characterization of minute intestinal fluke larvae (Plagiorchis sp.) from Phayao Province, Thailand Ornampai Japa, Thatchanan Phuhadsuan, Kittiphong Songsarn, Chorpaka Phuangsri, Krissana Khoothiam Acta Tropica.2026; : 108070. CrossRef Survey of the Prosthogonimus spp. metacercariae infection in the second intermediate host dragonfly in Heilongjiang Province, China Ben Li, Zhuo Lan, Xin-Ru Guo, Ai-Hui Zhang, Wei Wei, Ye Li, Zhen-Hua Jin, Zhong-Yan Gao, Xian-Guang Zhang, Bai Li, Jun-Feng Gao, Chun-Ren Wang Parasitology Research.2023; 122(12): 2859. CrossRef Odonata (Insecta) Larvae as the Second Intermediate Hosts of the Trematodes of Genus Plagiorchis in the Basin of Chany Lake, Western Siberia N. M. Ponomareva, O. N. Popova, N. I. Yurlova Contemporary Problems of Ecology.2022; 15(6): 631. CrossRef Influences of habitat and arthropod density on parasitism in two co-occurring host taxa J. Koprivnikar, T.M.Y. Urichuk, D. Szuroczki Canadian Journal of Zoology.2017; 95(8): 589. CrossRef A molecular and ecological analysis of the trematodePlagiorchis elegansin the wood mouseApodemus sylvaticusfrom a periaquatic ecosystem in the UK K. Boyce, G. Hide, P.S. Craig, C. Reynolds, M. Hussain, A.J. Bodell, H. Bradshaw, A. Pickles, M.T. Rogan Journal of Helminthology.2014; 88(3): 310. CrossRef Trematodes and nematodes parasitizing the benthic insect community of an Andean Patagonian stream, with emphasis on plagiorchiid metacercariae Gustavo D. Mariluan, Gustavo P. Viozzi, Ricardo J. Albariño Invertebrate Biology.2012; 131(4): 285. CrossRef Plagiorchis muris infection in Apodemus agrarius from northern Gyeonggi-do (Province) near the demilitarized zone Jong-Yil Chai, Jae-Hwan Park, Sang-Mee Guk, Jae-Lip Kim, Hyo-Jin Kim, Won-Hee Kim, Eun-Hee Shin, Terry A. Klein, Heung-Chul Kim, Sung-Tae Chong, Jin-Won Song, Luck-Ju Baek The Korean Journal of Parasitology.2007; 45(2): 153. CrossRef The occurrence of the trematodePlagiorchis murisin the wood mouseApodemus sylvaticusin North Yorkshire, UK M.T. Rogan, P.S. Craig, G. Hide, S. Heath, A. Pickles, D.M. Storey Journal of Helminthology.2007; 81(1): 57. CrossRef A Human Case of Plagiorchis vespertilionis (Digenea: Plagiorchiidae) Infection in the Republic of Korea S-M. Guk, J-L. Kim, J-H. Park, J-Y. Chai Journal of Parasitology.2007; 93(5): 1225. CrossRef Molecular phylogenic location of the Plagiorchis muris (Digenea, Plagiorchiidae) based on sequences of partial 28S D1 rDNA and mitochondrial cytochrome C oxidase subunit I Soo-Ung Lee, Sun Huh, Woon-Mok Sohn The Korean Journal of Parasitology.2004; 42(2): 71. CrossRef Food-borne intestinal trematode infections in the Republic of Korea Jong-Yil Chai, Soon-Hyung Lee Parasitology International.2002; 51(2): 129. CrossRef 8,849 View 72 Download Crossref