Parasitic meningoencephalitis in nurse sharks (Ginglymostoma cirratum). 1993

K M Credille, and L K Johnson, and R Reimschuessel
Department of Pathology, New York State College of Veterinary Medicine, Cornell University, Ithaca 14853.

Based on microscopic examination of the brains of seven wild-caught nurse sharks (Ginglymostoma cirratum), we observed a severe meningoencephalitis associated with numerous parasitic granulomas. The parasites were larval nematodes with morphological characteristics of the Superfamily Dracunculoidea. Although meningeal larval aggregates were associated with chronic inflammation, additional parasitic nodules found on the endocardial surface and perimandibular region did not provoke an inflammatory response. Neither the route of infection nor life cycle were determined.

UI MeSH Term Description Entries
D008590 Meningoencephalitis An inflammatory process involving the brain (ENCEPHALITIS) and meninges (MENINGITIS), most often produced by pathogenic organisms which invade the central nervous system, and occasionally by toxins, autoimmune disorders, and other conditions. Cerebromeningitis,Encephalomeningitis,Cerebromeningitides,Encephalomeningitides,Meningoencephalitides
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D004699 Endocardium The innermost layer of the heart, comprised of endothelial cells. Endocardiums
D005393 Fish Diseases Diseases of freshwater, marine, hatchery or aquarium fish. This term includes diseases of both teleosts (true fish) and elasmobranchs (sharks, rays and skates). Disease, Fish,Diseases, Fish,Fish Disease
D006099 Granuloma A relatively small nodular inflammatory lesion containing grouped mononuclear phagocytes, caused by infectious and noninfectious agents. Granulomas
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
D012754 Sharks A group of elongate elasmobranchs. Sharks are mostly marine fish, with certain species large and voracious. Shark
D017176 Dracunculoidea A superfamily of nematodes of the suborder CAMALLANINA. Its organisms possess a poorly developed buccal cavity and a rudimentary esophagus and intestine. Dracunculoideas
D017205 Spirurida Infections Infections with nematodes of the order SPIRURIDA. Habronemiasis,Infections, Spirurida,Habronemiases,Infection, Spirurida,Spirurida Infection

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