A technique for the location of Microsporida in host tissues.
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Biomedical subjects
Publications and source records attributed to J R Palmieri.
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Stunkardia minuta sp. n. was recovered from the small intestine and rectum of 5 box-tortoises (Cuora amboinensis) in Malaysia. The average body size (L X W) is 11-42 X 2-35 mm; oral sucker 1-51 X 1.02; oral pouches 0-21 X 0.18; ventral sucker 1-67 X 1-43; oesophageal bulb 0-54 X 0-54; ant. testis 0-95 X 0-98; post. testis 0-94 X 0.94; seminal vesicle 0-82 X 0-24; ootype 0-21 X 0-41; ovary 0-41 X 0-34; and egg 121 X 83 micrometer. Although morphologically similar to S. dilymphosa, S. minuta is distinct from any other reported member of the Paramphistomidae.
Mesocoelium malayanum sp. n. is described from the frog Rana macrodon, in Malaysia. Elongate body, broader anteriorly, measuring 1.900 (1.679-2.070) mm long by 0.404 (0.380-0.437) wide, tegument aspinose oral sucker 0.212 (0.200-0.228) by 0.202 (9.191-0.205), acetabulum 0.141 (0.132-0.150) by 0.139 (0.123-0.146), prepharynx present, oesophagus 0.115 (0.096-0.137), caeca reaching posterior 1/3 of body, anterior testis 0.097 (0.087-0.110) by 0.091 (0.087-0.100) dorsal to acetabulum, posterior testis 0.094 (0.087-0.101) by 0.092 (0.091-0.100), cirrus pouch 0.121 (0.111-0.130) by 0.047 (0.041-0.055), genital pore at left of midline of oesophagus just anterior to intestinal bifurcation, ovary 0.110 (0.091-0.127) by 0.089 (0.085-0.096) on left of body and posterior to acetabulum, vitelline glands with single follicles extending from intestinal bifurcation to ends of caeca, excretory vesicle I-shaped and eggs 0.040 (0.037-0.046) by 0.023 (0.022-0.024). Although morphologically related to M. maroccanum and M. meggitti, M. malayanum is considered to be a new species.
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A reported practice of live beetle ingestion in Southeast Asia was investigated among urban Chinese in Kuala Lumpur, Malaysia. Results of four casefindings are: (1) this practice may not be confined to West Malaysia, (2) it occurs among Chinese and Malays, (3) the original use of the beetles as an aphrodisiac has been modified to include treatment of a wide variety of ailments and diseases and (4) the practice is relatively uncommon among urban Chinese. It was also found through experimental studies that ingestion of the live beetles (Palembus dermestoides) represented a potential public health hazard in that the beetles were able to serve as a host for the human-infecting tapeworm Hymenolepis diminuta (Sullivan et al., 1977).
Thirty laboratory-reared, juvenile Lymnae rubiginosa were exposed to 20 miracidia each of Fasciola gigantica. Eight days postinfection snails were dissected, and clearly recognizable sporocysts were recovered from the mantle collar and renal vein. Behavior of sporocysts and mother rediae differed markedly. These observations contradict those of direct metamorphosis of miracidium into redia as reported by Ogambo-Ongoma and Goodman (1976).
Diplostomum spathaceum which is widespread throughout Utah in desert, mountain valley, and high alpine lakes, causes a disease known as diplostomatosis or eye fluke disease. Snails (756) were examined and two species, Lymnaea stagnalis and L. palustris were positive for D. spathaceum. Examination of 838 fish, which included 19 species, revealed 10 species (Salmo trutta, Catostomus discobulus, Salmo clarki, Micropterus salmoides, Catostomus platyrhynchus, Salmo gairdneri, Gila atraria, Catostomus ardens, Salvelinus fontinalis, and Richardsonius balteatus) positive for metacercariae of D. spathaceum. The only avian hosts positive for adult Diplostomum were Larvus californicus and L. delawarensis.
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