FA 2016 pg 343- 349 GI Flashcards
list the branches of the celiac trunk
Left gastric artery, splenic artery & common hepatic artery
ulcer at the lesser curvature of the stomach will affect what artery?
Left Gastric artery
true or false duodenal ulcers are malignant?
False
Epigastric pain that improves with meals and posterior ulcer, what artery could be damaged?
Gastroduodenal artery
In the celiac trunk strong anastomosis exist between …..
left & right gastroepiploic
left & right Gastric
what anastomoses are seen in esophageal varices
left gastric & Azygous (apparently not with “esophageal” based on FA 2016)
what the anastomoses in anorectal varices
superior rectal—-middle & inferior Rectal
anastomoses between paraumbilical vein to small epigastric vein of the anterior abdominal wall is seen in what clinical sign
Caput Medusae
what two pathology is seen above the pectinate line?
Adenocarcinoma & internal hemorrhoids
why are internal hemorrhoids not painful
due to visceral inervation
what is the lymphatic drainage above the pectinate line
internal iliac lymph nodes
describe the venous drainage above the pectinate line
superior rectal—inf rectal—mesentary vein — portal system
what lymphatic drains the testes and ovaries
para-aortic
what pathology is seen below the pectinate line
ext hemorrhoids, squamous cell cancer
what nerve branch is responsible for the somatic innervation of Ext Hemmorhoids
inferior rectal branch of pedental nerve
lymphatic drainage below the pectinate line
superficial inguinal nodes
what location do the tear of anal fissure take place
below the pectinate line posteriorly because it is poorly perfused
list presentation of anal fissure
pain while pooping
Blood on toilet Paper
Anal fissure is associated with what two things?
low fiber diet & constipation
the blood supply below the pectinate line come from what branch?
Inferior Rectal artery which is a branch of
Internal Pudental artery
macrophage in the liver is also called?
Kupffer cells
What cells in the space of disse stores VIt A, and also produces ECM when activated?
Ito cells aka hepatic stellate cells
what zone of the liver is first affected by viral hepatitis
periportal zone (zone 1)
what zone in the liver does cocaine affect?
periportal zone (zn 1)
yellow fever targets what zone in the liver?
intermediate zone (zone 2)
which zone is affected 1st by ischemia
zone 3 ( centrillobular)
what zone do you see the pericentral vein?
zone 3