Transruminal palpation and surface projection of the abomasum in the permanently fistulated dairy cow.
D000018:Abomasum / Q000033:anatomy & histology* / Q000601:surgery; D000818:Animals; D002417:Cattle / Q000033:anatomy & histology* / Q000601:surgery; D005260:Female; D005402:Fistula; D010173:Palpation / Q000662:veterinary*; D011708:Pylorus / Q000033:anatomy & histology; D012417:Rumen / Q000601:surgery