Location and distribution of Trichostrongylus colubriformis in the small intestine of sheep during the prepatent period, and the development of villus atrophy.
D000018:Abomasum / Q000469:parasitology; D000818:Animals; D001284:Atrophy; D007411:Intestinal Diseases, Parasitic / Q000469:parasitology / Q000473:pathology / Q000662:veterinary*; D007413:Intestinal Mucosa / Q000473:pathology; D007421:Intestine, Small / Q000469:parasitology / Q000473:pathology*; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology* / Q000473:pathology; D013997:Time Factors; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000469:parasitology / Q000473:pathology / Q000662:veterinary*