Host induced effects on the vulval flap of Ostertagia ostertagi.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology; D005260:Female; D007814:Larva / Q000033:anatomy & histology / Q000254:growth & development; D008297:Male; D013997:Time Factors; D014251:Trichostrongyloidea / Q000033:anatomy & histology / Q000254:growth & development*; D014252:Trichostrongyloidiasis / Q000276:immunology / Q000662:veterinary*; D014844:Vulva / Q000033:anatomy & histology / Q000254:growth & development