GI tract Small and Large Intestine

duodenum is mostly what

retroperitoneal

what does the duodenum do

acid neutralization/ chemical digestion

what does dueodenum recieve

receive chyme from stomach and digestive secretions from pancreas and liver

what is shape of deuodenum

c shaped

what happens in the jejunum

where most carbs and proteins are absorbed

where is jejnum located

first half of small intestine

where is the ileum

last part of small intestine

what does ileum do

controls flow of material into cecum Ileocecal valve

what does the ileum absorb

vitamin B12

wha do microvili do

increase surface are

what is the internal structure of the ileum

circular folds, microvili

function of large inestine

compaction and storage of material into feces, absorption of water, electrolytes, and some nutrients

where is found before ascending colon

cecum and vermiform appendix

ascending colon is where

right side

what is with the ascending colon

right colonic (hepatic) flexure- near liver

what is with the transverse colon

left colic flexure- near spleen

where is descending colon

left side

what does sigmoid colon look like

s shaped

special distinction from small and large intestine

large intestine has taenia coli, epiploic appendages, hausta

what is the rectum

last part of GI tract

what does rectum do

temporary store fecal material

external anal sphincter has what type of control

voluntary control

internal anal sphincter has what type of control

involuntary motor control