GA1 - intestines Flashcards
most of the small intestine is ___peritoneal
intra
duodenum is ____peritoneal
retro
small intestine has 3 parts
duodenum, jejunum, ileum
duodenum is _-shaped about ___in long
C
10
duodenum has 4 parts
superior
descending
inferior
ascending
superior duodenum is _in long running ___ and ____ on the right side of __ vertebrae
2
upwards
backwards
L1
descending duodenum is _in long running ____ ____ along the right side of ___-___ vertebrae
3
vertically downward
L1-L3
inferior duodenum is _in long running _____ in front of ___ vertebrae
3
horizontally
L3
ascending duodenum is _in long running ___ and to the ___ and ends at ____ flexure
2
upwards
duodenojejunal
___ ___/____ ____ increase the absorption area of the duodenum
circular folds/plica circularis
major duodenal papilla is where the __ ___ ___ and ___ ___ __ come together to drain into the duodenum
main pancreatic duct and common bile duct
minor duodenal papilla is where the ___ ___ ___ drains into the duodenum
accessory pancreatic duct
blood supply to the duodenum - 2 arteries
superior and inferior pancreatico-duodenal
superior pancreatico-duodenal artery is a branch of the
gastroduodenal
inferior pancreatico-duodenal artery is a branch of the
superior mesenteric a
superior and inferior pancreatico-duodenal arteries will ___
anastomose
lymph flow of the duodenum
pancreatoduodenal nodes –> celiac nodes –> superior mesenteric nodes –> cystern chyli
jejunum and ilium measures __ft long
20
jejunum and ileum is ____ mobile attached to the posterior abdominal wall by the ____ of the small intestine
freely
mesentery
jejunum and ileum are __peritoneal
iintraperitoneal
jejunum is coiled in the ____ ___ part of the peritoneal cavity
left upper
ileum is in the ___ ___ part of the peritoneal cavity
lower right
jejunum has a ___ lumen, ___ wall, and ___ than the ileum
wider
thicker
redder
the jejunum is more ___ than the ileum
vascular
jejunum has ___ and ___ cirucular folds; ileum has ___ and ___ circular folds
taller
more
shorter
fewer
jejunum - mesentery is attached to posterior wall ___ and to the ___ of aorta
above
left
ileum - mesentery is attached ___ and to the ___ of aorta
below
right
jejunum - vessels form ___ arcades with __ long branches; ileum - vessels form ___ arcades with ___ numerous terminal branches
few
few
numerous
short
jejunal end of mesentery has ____ deposited in the root area and very ___ amount near intestine
fat
little
ileal end has __ deposited ___ the mesentary
fat
throughout
the root area of jejunum that is attached to the posterior wall is thicker because of the ____ deposited there
fat
___ ___ are present in the mucous membrane of the lower ileum along the ___-____ border
peyers patches
anti-mesenteric
the branches from the superior mesenteric arteries come together to form
arcades
the branches that come off of the arcades are the terminal branches called ___ ____
vasa recta
peyers patches are aggregates of ____ nodules
lymphoid
the branches off the superior mesenteric have 2 different names
intestinal branches
jejunal/ileal
blood supply to the small intestine
superior mesenteric
venous drainage of the small intestine =
portal system = superor mesenteric v –> portal v.
lymph drainage flow
mesenteric nodes –> superior mesenteric nodes –> intestinal lymph trunk –> cisterna chyli
mesenteric lymph noes within the ____
mesentary
duodenum is innervated by the ____ plexus
celiac
ilium and jujenum is innervated by the ___ ___ plexus
superior mesenteric
superior mesenteric ganglia surrounds the ___ ___ artery
superior mesenteric
superior mesenteric plexus has ___ parasympathetic, ____ symp
preganglionic
postganglionic
pre ganglionic sympathetic from ___ ___ a
lesser splanchnic
large intestine extends from the ____ to the ___ about __ft long
ileum
anus
5
large intestine divided into 7 parts
cecum appendix ascending colon transverse colon descending colon sigmoid colon rectum anal canal
3 gross characteristic features of the large intestine
tenia colia
haustrations
epiploical appendages
tenia colia
longitudinal muscles
grouped into 3
form into band like structures
haustrations
segments of large intestines
haustrum - single
haustra - plural
epiploical appendages
fat deposits/protrusions
surrounded by visceral peritoneum
cecum - lies below level of ___ jxn
ileocecal
if you draw a line straight across from the bottom of the ileum where it comes into contact with the colon you will get the border for the ____
cecum
___-___ pouch located in the right iliac fossa
blind-ended
___ attaches to the cecum on its posteromedial side
appendix
blood supply to the cecum (2)
anterior and posterior cecal branches of the ileocolic artery
ileocolic artery is a branch of the ___ __ a
superior mesenteric
lymph drainage flow
mesenteric nodes –> superior mesenteric nodes
___ is a narrow muscular tube, 3-5 in long containing a large amount of lymphoid tissue
appendiz
appendix contains a lot of ____ tissue
lymphoid
appendix lies in the ___ __ fossa and in relation to the anterior abdominal wall, its base is situated beneath the ____ point
McBurney’s
2 arteries that supply the appendix
appendicular artery
branch of the posterior cecal artery
lymph drainage of the appendix
mesenteric nodes
superior mesenteric nodes
appendix innervated by the ___ ___ plexus
superior mesenteric
appendix innervated by afferent fibers for pain enter ___ segment
T10
appendix has referred pain to the ____
umbilicus
4 signs of appendicitis
pt tenderness at McBurneys point
rebound tenderness
Rouvsing sign
iliopsoas sign