Large Intestine Flashcards
Where does the large intestine extend from?
ileocecal junction to anus
How long is the large intestine?
1.5 m
What is primary function of the large intestine?
convert liquid contents of the ileum into semisolid feces by absorbing water
also involved in sythesis of vitamins requiring bacterial action like vitamin k (blood clotting)
What is the large intestine made up of?
cecum
appendix
colon
rectum and anal canal
What is the cecum?
blind pouch found below ileocecal junction
What does the ileal fold do?
prevent backflow of feces into small intestine
What does the ileal fold surround?
ileal orifice
What does the ileal fold make when it fuses together?
frenula
What is the appendix?
narrow muscular tube which contain lymphoid tissue in its walls
Where does the appendix rise from?
posteromedial aspect of cecum and attaches to mesentery of ileum by mesoappendix
What is the most common position of the appendix?
retrocecal
What is the second most common position of the appendix?
pelvic
What does the colon consist of?
ascending colon
transverse colon
descending colon
sigmoid colon
What does the ascending colon run from?
ileocecal junction to right colic flexure
What does the transverse colon run from?
right colic flexure to left colic flexure