<Tr> <Th> FMA </Th> <Td> 7208 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> The ileum / ˈɪliəm / is the final section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds . In fish, the divisions of the small intestine are not as clear and the terms posterior intestine or distal intestine may be used instead of ileum . </P> <P> The ileum follows the duodenum and jejunum and is separated from the cecum by the ileocecal valve (ICV). In humans, the ileum is about 2--4 m long, and the pH is usually between 7 and 8 (neutral or slightly alkaline). </P>

What is the terminal part of the small intestine