Abdominal Viscera 2 Flashcards
(39 cards)
where does the foregut begin?
abdominal esophagus
where does the foregut end?
first 1/3 of duodenum
to which gut does the proximal large intestine belong to?
midgut
to which gut does the distal large intestine belong to?
the hindgut
What is the cecum?
blind ended pouch covered in peritoneum but no mesentary
ileocecal valve
one way velave btw ileum and cecum that prevents backflow
where is the vermiform appendix located?
inferior aspect of the cecum
What is the veniform appendix suspended by?
mesoappendix
what side is the appendix on?
right side
What is mcburney’s point?
point on anterior ab wall that is lateral 1/3 of the distance from ASIS to umbilicus
What are the 4 parts of the colon?
ascending, transverse, descending, sigmoid
Wher is ascending colon?
right upper abdomen
Where is descending colon?
left upper abdomen
Which parts of the colon are retroperitoneal?
ascending colon and descending colon
Which parts of the colon are intraperitoneal?
transverse and sigmoid
What is taeniae coli?
3 longitudinal bands of smooth muscle that run along the outer layer of the entie colon
What are haustra?
series of pouches in wall of colon, created my muscle tone in taeniae coli
What does haustra allow for?
expansion and elongation of the colon
What is the mesoclon?
peritoneal covering of the colon that has small arteries and veins that supply the colon
What is the mesoappendix?
Peritoneal covering that connects the appendix to the ileum and cecum
where does the midgut transfer to the hindgut?
distal 1/3 of the transverse colon
which parts of the SMA supply the colon?
ileocolic, right colic, and middle colic branches (MRI)
Which parts of the colon does the large intestine supply?
ascending and transverse
Which parts of the colon fdes the IMA supply?
descending and sigmoid colon