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metacercarial

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Although lung flukes prefer to encyst in the pleura or lungs, infective metacercariae may migrate to extra-pulmonary sites and cause granulomatous nodule formation, most commonly in the brain (cerebral paragonimiasis [Case 8]) or under the skin (trematodal larval migrans [Cases 7, 12, 13, 14]).

Boil before eating: paragonimiasis after eating raw crayfish in the Mississippi River Basin

The cercariae are free swimming and mature into metacercariae, encysted larval trematodes lacking a tail, after entering their second intermediate host, D.

Investigating the parasitism of Southern California bean clams (Donax gouldii) by the trematode Postmonorchis donacis

Voucher helminths from the 2004-2007 collection were deposited in the United States National Parasite Collection, USNPC, Beltsville, Maryland: Distoichometra bufonis (USNPC 100930); Glypthelmins quieta (USNPC 100931); Gorgoderina multilobata (USNPC 100932); Haematoloechus kernensis (USNPC 100933); Megalodiscus microphagus (USNPC 100934); Digenean metacercariae (USNPC 100938); Cosmocerca variabilis (USNPC 100935); Rhabdias ranae (USNPC 100936); Acanthocephalan cystacanth (USNPC 100937).

Persistence and stability of the component helminth community of the foothill yellow-legged frog, Rana boylii (Ranidae), from Humboldt County, California, 1964-1965, versus 2004-2007

The second intermediate hosts, in which metacercariae form, are the same molluscs or frog tadpoles (Key ..., 1978).

New data on the helminths of the muskrat (Ondatra zibethicus) in Lithuania/ Uued andmed ondatra (Ondatra zibethicus) helmintidest Leedus

Infection occurs by ingestion of plants with metacercariae attached to them.

Chapter 6 Parasitic zoonoses

Digeneans, which mature in the digestive tract of marine fish, are usually acquired through the consumption of invertebrates (crustaceans, molluscs, polychaetes, and echinoderms, among other taxa) which harbor encysted metacercariae (Rohde, 2005).

Use of endoparasitic helminths as tags in delineating stocks of American plaice (Hippoglossoides plotessoides) from the southern Gulf of St. Lawrence and Cape Breton Shelf

A subsample of specimens was examined by dissection for the presence of parasite metacercariae, including Ribeiroia.

Proximity to pollution sources and risk of amphibian limb malformation

Jaros-Gourneau * and Vasyl Tkach MOLECULAR SYSTEMATIC STUDY OF NEASCUS-TYPE METACERCARIAE FROM THE PHOXINUS EOS-NEOGAEUS GYNOGENETIC CYPRINID COMPLEX IN VOYAGEURS NATIONAL PARK, MINNESOTA Department of Biology, University of North Dakota, Grand Forks, ND 3:20-3:40 pm Ryan Klapperich * and Scott Korom DENITRIFICATION IN THE AQUIFER ZONE: CORRELATION OF [sup.15]N ISOTOPIC ENRICHMENT AND FIRST-ORDER RATE CONSTANTS Department of Geology and Geological Engineering, University of North Dakota, Grand Forks, ND 3:40-4:00 pm Rachel Duerre *, Mary Lynn Johnson, Kimberly Petty, Pawel Borowicz, Justin S.

Communications: undergraduate division: A. Rodger Denison student research competition

A total of 40 mummichogs (Fundulus heteroclitus) from 3 localities in the Massachusetts area and 9 mummichogs from Georgetown, South Carolina were examined for the presence of Ascocotyle metacercariae. All metacercariae were located in the bulbus arteriosus of the heart.

Histological effect of Ascocotyle tenuicollis (digenea: heterophyidae) metacercarial infection on the heart of Fundulus heteroclitus (Teleostei: Cyprinodontidae)

In the mummichog (Fundulus heteroclitus) the metacercariae are located in the bulbus arteriosus of the heart.

Histological study on the effect of Ascocotyle (digenea: heterophyidae) infection on the heart morphology of the fish host. (South Carolina Academy of Sciences Abstracts)