Biomaterial Database

Pathogenesis of experimental pulmonary paragonimiasis in cats. 1978

E A Hoover, and J P Dubey

Specific-pathogen-free cats (n = 20) were inoculated orally with metacercariae of Paragonimus kellicotti and necropsied between 1 and 263 days later. The immature Paragonimus flukes excysted in the intestine, penetrated the intestinal wall, and migrated from the peritoneal cavity through the diaphragm to the pleural surface of lungs by postinoculation days (PID) 5 to 23. This migration resulted in multifocal eosinophilic peritonitis and myositis. The flukes entered the lung by penetration of the pleura, which resulted in multifocal pleural hemorrhage and eosinophilic pleuritis. Immature flukes developed in the subpleural alveolar tissue surrounded by intense eosinophilic and neutrophilic inflammation. Communications developed between the fluke-containing subpleural cavities and adjacent bronchioles by PID 39, and ova from the sexually mature flukes entered the bronchioles. From PID 55 to 263, other prominent pulmonary lesions were peribronchiolar infiltration of lymphocytes and plasma cells, hyperplasia of bronchioles and peribronchiolar glands, and chronic active eosinophilic granulomatous pneumonia associated with degenerating Paragonimus ova in the alveolar tissue adjacent to cysts. The interior surface of the fluke-containing cysts became partially epithelialized by cells from communicating bronchioles.

UI	MeSH Term	Description	Entries
D008168	Lung	Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood.	Lungs
D008174	Lung Diseases, Parasitic	Infections of the lungs with parasites, most commonly by parasitic worms (HELMINTHS).	Parasitic Lung Diseases,Parasitic Infections of Lung,Pulmonary Parasitic Infections,Lung Disease, Parasitic,Lung Parasitic Infection,Lung Parasitic Infections,Parasitic Infection, Pulmonary,Parasitic Infections, Pulmonary,Parasitic Lung Disease,Pulmonary Parasitic Infection
D008297	Male		Males
D009132	Muscles	Contractile tissue that produces movement in animals.	Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D010237	Paragonimiasis	Infection with TREMATODA of the genus PARAGONIMUS.	Paragonimus Infection,Paragonimus westermani Infection,Infection, Paragonimus,Infection, Paragonimus westermani,Infections, Paragonimus,Infections, Paragonimus westermani,Paragonimiases,Paragonimus Infections,Paragonimus westermani Infections
D010994	Pleura	The thin serous membrane enveloping the lungs (LUNG) and lining the THORACIC CAVITY. Pleura consist of two layers, the inner visceral pleura lying next to the pulmonary parenchyma and the outer parietal pleura. Between the two layers is the PLEURAL CAVITY which contains a thin film of liquid.	Parietal Pleura,Visceral Pleura,Pleura, Parietal,Pleura, Visceral
D002371	Cat Diseases	Diseases of the domestic cat (Felis catus or F. domesticus). This term does not include diseases of the so-called big cats such as CHEETAHS; LIONS; tigers, cougars, panthers, leopards, and other Felidae for which the heading CARNIVORA is used.	Feline Diseases,Cat Disease,Disease, Cat,Disease, Feline,Diseases, Cat,Diseases, Feline,Feline Disease
D002415	Cats	The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801)	Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D005260	Female		Females
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia