| helminth parasites of the raccoon (procyon lotor) from north-central arkansas. | twenty-three species of helminths (4 trematodes, 2 cestodes, 14 nematodes, and 3 acanthocephalans) were found in the gastrointestinal tract, lungs, pancreas, tongue, urinary bladder, and subcutaneous tissues of 30 live-trapped or hunter-shot raccoons from north-central arkansas between november 1989 and april 1990. helminths were not detected in the brain, diaphragm, gallbladder, heart, liver, reproductive system, or trachea. each raccoon examined was infected with 3 or more of the following hel ... | 1992 | 1738063 |
| occurrence of tetrathyridia of mesocestoides sp. (cestoidea: cyclophyllidea) in north american anurans (amphibia). | a new host and geographic locality record is reported for tetrathyridia of mesocestoides sp. in two species of ranid frogs (rana berlandieri and r. pipiens) from texas and new york, respectively. tetrathyridia were found encapsulated in liver and mesenteries of the hosts. morphological examination and experimental inoculation of these tetrathyridia into mice demonstrated the absence of capacity for asexual proliferation. overall prevalence of infection was low in anurans from arkansas, texas and ... | 1990 | 2250332 |