The effect of growth and of fasting on the number of villi and crypts in the small intestine of the albino rat.
D000367:Age Factors; D000818:Animals; D001699:Biometry; D001835:Body Weight; D005215:Fasting; D007413:Intestinal Mucosa / Q000033:anatomy & histology; D007421:Intestine, Small / Q000033:anatomy & histology* / Q000254:growth & development; D008297:Male; D051381:Rats