Colon Flashcards
The colon is subdivided into which parts? How long is each part?
Cecum - 3" Ascending - 5" Transverse - 20" Descending - 10" Sigmoid - 15"
How long is the appendix?
4”
Where is the appendix located?
posteromedial aspect of the cecum where the teniae coli meet
The appendix is suspended by what?
The mesoappendix
In 65% of people the appendix is located where?
Behind the cecum
In 30% of people the appendix is located where?
In pelvis
In 5% of people the appendix is located where?
Either retro-ileal or pre-ileal
The colon is supplied by what artery?
Appendicular artery
The Appendicular artery is a branch of what?
Of the ileocecal branch of SMA
The base is located at what point?
McBurney’s point
McBurney’s point is located where?
2/3 along a line from the umbilicus to the ASIS
The large intestine is derived from what?
The midgut and the hindgut
Because the LI is derived from both the midgut and the hindgut it is supplied by what main arteries?
SMA and IMA
What are is at the junction of proximal 2/3rds and distal 1/3 transverse colon? Due to what?
Watershed area
End of midgut and beginning of hindgut
The lymphatics of the colon drain first to ______?
pericolic
