<Tr> <Th> Precursor </Th> <Td> endoderm </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> tunica mucosa </Td> </Tr> <Tr> <Th> MeSH </Th> <Td> D009092 </Td> </Tr>

The inner lining of the gi tract is a mucous membrane