First report of Angiostrongylus costaricensis Morera and Céspedes 1971 in the United States.
D000818:Animals; D005260:Female; D008297:Male; D008638:Mesenteric Arteries / Q000469:parasitology; D008681:Metastrongyloidea / Q000302:isolation & purification*; D009349:Nematode Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D051381:Rats / Q000469:parasitology*; D012376:Rodent Diseases / Q000453:epidemiology* / Q000469:parasitology; D013781:Texas