On the constancy of the number of villi in the duodenum of the post-embryonic domestic fowl.
D000818:Animals; D002642:Chick Embryo; D004386:Duodenum / Q000033:anatomy & histology* / Q000196:embryology; D005260:Female; D007413:Intestinal Mucosa / Q000033:anatomy & histology*; D008297:Male; D011200:Poultry