Distribution of trichostrongylid nematodes in the abomasum of sheep.
D000018:Abomasum / Q000469:parasitology*; D000818:Animals; D012756:Sheep / Q000469:parasitology*; D014251:Trichostrongyloidea / Q000254:growth & development / Q000302:isolation & purification*; D014254:Trichostrongylus / Q000254:growth & development / Q000302:isolation & purification*