intestines

duodenum histology

submucosal glands/mucus, and least goblet cells to balance acid

jejunum histology

most prominent circular fold and larger more villi

lleum histology

less circular fold and villi, most goblet cells and Peyers patches (antilymphocytes)

function of large intestine

absorbing water and ions

flexures of the large intestine

ascending, transverse, descending and sigmoid colon

what region does the ascending colon separate

right colic flexure

what region does the transverse colon separate

left colic flexure and transverse mesocolon

what region does the descending colon seperate

sigmoid flexure

what region does the sigmoid colon seperate

sigmoid mesocolon

what does the mesocolon do

suspend a cavity