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Gastrointestinal
Anatomy
64
Anatomy
Graduate
01/17/2014

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Cards

Term
layers of gut
Definition
mucosa, submucosa, muscularis externa, serosa
Term
layers of mucosa
Definition
epithelium, lamina propria, muscularis mucosa
Term
location of meissners
Definition
submucosa
Term
location of auerbachs
Definition
muscularis externa
Term
BER:
- stomach
- duodenum
- ileum
Definition
- 3/min
- 12/min
- 8-9 /min
Term
histology of esophagus
Definition
nonkeratinized stratified squamous
Term
histology of stomach
Definition
gastric glands, inner oblique, rugae
Term
histology of duodenum
Definition
villi and microvilli, Brunner's and crypts of lieberkuhn
Term
histology of jejunum
Definition
goblet cells, plicae circulates and crypts of leiberkuhn
Term
histology of ileum
Definition
peyer's patches, plicae circulars and crypts of leiberkuhn
Term
histology of colon
Definition
crypts but no villi, hausfrau, taenia coli
Term
abdominal aorta branches
Definition
Phrenic -> celiac -> SMA and middld suprarenal -> renal -> gonadal -> IMA -> bifurcation -> common iliac
Term
foregut
- artery
- parasymp
- vertebral
Definition
- celiac
- vagus
- T12/L1
Term
midgut
- artery
- parasymp
- vertebral
Definition
- sma
- vagus
- L1
Term
hindgut
- artery
- parasymp
- vertebral
Definition
- IMA
- pelvic
- L3
Term
watershed region in GI
Definition
splenic flexure
Term
branches of celiac
Definition
left gastric, splenic and common hepatic
Term
branches of common hepatic
Definition
hepatic artery proper, r gastric, gastroduodenal
Term
superior epigastric collateral with
Definition
inferior epigasric
Term
superior pancreaticoduodenal collateral with
Definition
inferior pancreaticoduodenal
Term
middle colic collateral with
Definition
left colic
Term
superior rectal collateral with
Definition
middle rectal
Term
sliding hernia
Definition
most common; hourglass stomach, increases risk of GERD
Term
paraesophageal hernia
Definition
GE junction is normal, cardia moves into thorax
Term
hiatal hernia
Definition
stomach herniates up through esophageal hiatus
Term
retroperitoneal structures
Definition
suprarenal gland, aorta, duodenum (2-4), pancreas, ureters, colon (asc and desc), kidneys, esophagus, rectum
Term
liver to abdominal wall
Definition
falciform ligament
Term
contains ligamentum teres
Definition
falciform ligament
Term
contains portal triad
Definition
hepatoduodenal ligament
Term
contains gastric arteries
Definition
gastrohepatic
Term
contains gastroepiploic
Definition
gastrocolic
Term
contains short gastric
Definition
gastrosplenic
Term
contains splenic artery and vein
Definition
splenorenal
Term
separates greater and lesser sacs
Definition
gastrosplenic
Term
esophageal varices anastomoses
Definition
left gastric - esophageal
Term
caput medusae anastomoses
Definition
paraumbilical - superficial and inferior epigastric
Term
internal hemorrhoids anastomoses
Definition
superior rectal - mid/inf rectal
Term
TIPS
Definition
between portal vein nd hepatic vein relieves portal hypertension by shunting blood to systemic circulations
Term
bile structures
Definition
L and R hepatic -> common hepatic + cystic -> common bile duct + pancreatic duct -> sphincter of Odi
Term
affected first by viral hepatitis
Definition
zone I
Term
affected first by ischemia
Definition
zone III
Term
centrilobular zone
Definition
zone III
Term
periportal zone
Definition
Zone I
Term
most sensitive to toxic injry
Definition
zone III
Term
alcoholic hepatitis site
Definition
zone III
Term
direction of bile flow in liver
Definition
from III to I
Term
direction of blood flow in liver
Definition
zone I -> III
Term
arterial supply above pectinate
Definition
superior rectal
Term
venous drainage above pectinate line
Definition
superior rectal -> inferior mesenteric -> portal system
Term
arterial supply to below pectinate line
Definition
inferior rectal
Term
venous drainage of below pectinate line
Definition
inferior rectal -> internal pudendal vein -> internal iliac -> IVC
Term
internal vs external hemorrhoids
Definition
internal = NOT painful b/c visceral innervation
external = painful b/c somatic innervation
Term
sliding hernia
Definition
GE junction is displace; hourglass stomach
Term
paraesophageal hernia
Definition
GE junction is normal; cardia moves into the thorax
Term
diaphragmatic hernia
Definition
abdominal structures enter thorax; infants as a result of a defective development of pleuroperitoneal membrane
Term
femoral region organization
Definition
lateral to medial: nerve, artery, vein, empty space, lymphatics
Term
femoral triangle
Definition
femoral vein, artery and nerve
Term
femoral sheath
Definition
fascial tube 3-4 cm below inguinal ligament; contains femoral vein, artery and canal; NOT nerve
Term
indirect inguinal hernia
Definition
through deep inguinal ring and superficial inguinal ring and into scrotum
Term
relation to inf epigastric:
- indirect
- direct
Definition
- lateral
- medial
Term
occurs in infant through processes vaginalis
Definition
indirect
Term
hesselbach's triangle
Definition
inferior epigastric arter, lateral border of rictus abdomens and inguinal ligament
Term
direct inguinal hernia
Definition
thrugh superficial ring in older men
Term
femoral hernia
Definition
protrudes below inguinal ligament through femoral canal below and lateral to pubic tubercle
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