_:b665421282 "Intestinal surface area also is increased in amphibians and reptiles by internal folds and occasionally by a few villi. The intestine can be divided into a small intestine and a slightly wider large intestine.[well established][VHOG]"^^ . _:b665421282 . _:b665421282 . _:b665421282 . _:b665421282 "2012-09-17"^^ . _:b665421282 "ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.566"^^ . _:b665421282 "VHOG"^^ . _:b665421282 . _:b665421282 "VHOG:0000054"^^ . _:b665421282 .