1,000ft View GI Part III: Lower GI (incomplete) Flashcards
What is the haustra
allows for segmental contraction/movement
activated by stretch
What is the Tiniae Coli
central linear smooth muscle layer that runs from the cecum to the sigmoid, circular layers attache to this and help with contraction
what is the function of the large intestine
water absorption
>400 bacterial species - help to make vitamin B and K*
Storage and elimination of waste
What is the beginning of the large intestine
cecum
what is the external sphincters innervated by
pudendal nerve
What is Griffith’s point
watershed area
What is Griffith’s point
watershed area
the most common spot for ischemic colitis
what allows for the stool to move from the sigmoid into the rectum
rectosigmoid sphincter
what makes up the internal anal sphincter
circular involuntary smooth muscle 3cm thick
what is the external anal sphincter made up of
overlapping and made of striated voluntary skeletal muscle
where do carbohydrates begin to breakdown
where do carbohydrates begin to breakdown
in the oral cavity with salivary amylase
what breaks down fats
lipases
Where is Bile made
in the liver
what does bile help with
digestion
absoprtion (of fats)
excretion
