title: The dimensions of the mucosa and the structure of the alimentary canal in Rana temporaria L. and Rana arvalis Nilss.
mesh_terms: D000818:Animals; D001001:Anura; D004064:Digestive System / Q000033:anatomy & histology; D005260:Female; D007413:Intestinal Mucosa / Q000033:anatomy & histology; D008297:Male; D011896:Rana temporaria / Q000033:anatomy & histology*; D011898:Ranidae / Q000033:anatomy & histology*; D012737:Sex Factors