Colon Flashcards
Wall is puckered into sacculations
Colon
Located from the distal end of the ileum to the anus
Colon
Function is absorption of fluid and solutes
Colon
Prevents reflux of chyme
Slows passage of ileal contents by sympathetic stimulation
Valves - located at ileocecal orifice
In the R iliac fossa, colon becomes what?
Cecum
Rests on iliacus and psoas major
Covered by peritoneum
Appendix arises
Large blind pouch
Cecum
Frequently contains the vermiform appendix
Retro-cecal recess
Commences fluid and electrolyte reabsorption
Colon
Blood supply of the colon
Ileo-colic artery
Superior branch of the ileo colic artery anastomoses with
R colic a
What branch of the ileo colic artery anastomoses with r colic a
Superior branch
Inferior branch of the ileo colic artery anastomoses with
SMA
What are the branches of the Inferior branch of ileo colic artery
Ascending (colic) a Ante cecal a Poste cecal a Ileal a Appendicular a
Ileo colic vein drains to
SMV
What drains into the superior branch of the ileo colic vein
Ascending colic vein
What drains into the inferior branch of the ileo colic vein
Anterior and posterior cecal c
Ileal v
Appendicular v
Nodes in the ileo colic chain drains to
SM Nodes
Where ascending colon bends to the left and is the junction of ascending and transverse colon
R colic or hepatic flexure
Where bloodless surgery can be done
Paracolic gutter
Supplies the distal half of the ascending colon
R colic artery
Branch of the R colic a that anastomose with ileo colic a
Descending
Middle colic artery anastomose with what branch of the r colic a
Ascending
R colic vein drains to
SMV then Portal v
IMV drains to
Splenic v
Gasto colic trunk is composed of what vessels
SMV
R gastro epiploic v
Inferior pancreatico duodenal v
Lymph drainage of the ascending colon
Superior Mesenteric plexus