Gastro Anatomy Flashcards
what level is the transpyloric plane on
L1
what are the two types of fascia of the abdomen
campers and scarpas
campers is the thick fatty layer and scarpas is the thin membranous layer
what level is the subcostal plane on
L2
where is mcburneys point
this point is 2/3s along the way along a line joining the umbilicus to the right ASIS. it marks the usual location of the appendix
what level is the umbilicus on
L3
what 4 lines divide the abdomen into 9 regions
left and right mid-clavicular
horizontal divisions are subcostal and intertubercular plane
the intertubecular plane marks the bifurcation of the aorta, what level is this at
L4
what spinal nerves form the greater splanchnic
T5-T9
what spinal nerves give rise to the lesser splanchnic
T10-T11
what spinal nerve forms the lower splanchnic
T12
what are the two arteries that supply the ascending colon
iileocolic and right colic
what 3 arteries supply the transverse colon
right, middle and left colic
what is the name of the marginal artery which joins the anastomoses of the inferior and superior mesenteric and their associated branches and vasa rectae
marginal artery of drummond
how do we identify the large intestine against the small besides its size
the large has
1) epiploic appendices
2) haustrations- nay nay bitch
3) taenia coli
what is meckels diverticulum a remnant of
vitelline duct- connects yolk sac to midgut
how far is meckels diverticulum from the ileo-caecal valve
2 feet
what are the two ligaments of the lesser omentum
hepatoduodenal and hepatogastric
what is the ligamentum teres a remnant of
umbilical vein
what is the ligamentum venosum a remnant of
ductus venosus- bypassed the liver
what is the nerve supply to the gallbladder
coeliac plexus
at what level is the coeliac trunk
T12
what level is the SMA
L1
what level is the IMA
L3
what arteries supply the lesser curvature of the stomach
left and right gastric
what arteries supply the greater curvature of the stomach
left and righrt gastro-omental/ gastroepiploic
what artery branches off the hepatic artery first
right gastric, gastroduodenal is 2nd
what has more mesenteric fat, ileum or jejunum
ileum
what has more arcades ileum or jejunum
ileum
what has longer vasa rectae ileum or jejunum
jejunum
what has prominent peyers patches ileum or jejunum
ileum
what has a thicker wall ileum or jejunum
jejunum
what is the parasympathetic innervation of the hindgut
pelvic splanchnic- S2-S4, vagus is foregut and midgut
what has more prominent plicae circularis jejunum or ileum
jejunum
what two veins form the hepatic portal vein
splenic and superior mesenteric vein
at what level does the rectum start
S3
what is the Babinski reflex
tickle of the foot, toes go up rather than clenching
