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Communication between the supracolic and infra colic compartments?
parabolic gutters, grooves between the lateral aspect of the ascending and descending colon and the posteriorlateral abdominal wall.
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Greater Omentum components?
- gastrophrenic ligament
- gastrocolic ligament
- gastrospleenal
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Lesser omentum?
- hepatogastral
- hapetoduodnal
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Infection of the peritoneum
peritonitis
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Function of the greater momentum?
- Prevents the visceral peritoneum from adhering to the parietal peritoneum.
- Walls off and prevents spread of infection
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Hepatic portal vein is made from?
superior mesenteric vein and the spenic vein
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Level of esophageal hiatus and stomach
T10, T11 Z-line
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The esophagus goes from voluntary muscle to involuntary
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Blood supply to distal esophagus?
Left gastric and left inferior phrenic
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Esophogeal portal anastomosis?
portal vein to left gastric vein to esophogeal to azogus
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Esophogus lymph drainage and innervation?
- Left gastric lymph nodes to celiac
- vagal truing and sympathetics from the greater splancnic
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Four parts of the stomach?
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Stomach venous drainage?
- right and left gastric into the splenic vein
- left gastro-omental int ot splenic
- right gastro-omental into the SMV
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Stomach lymph drainage is eventually to the celiac nodes
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Stomach innervation?
- Para, anterior and posterion vagal trunks
- Sym, T6-T9 via the celiac plexus from the greater splanchnic nerve
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Origin of right gastric artery?
hepatic
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The stomach is interperitoneal
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Four parts of the duodenum?
- Superior, L1
- Descending, L2-L3
- Inferior, L3 posterior to the SMA
- Ascending, L3-L2, attached to the ligament of Treitz
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Where is the junction of foregut and midgut?
hepatopancreatic ampulla
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Duodenal blood supply?
- Proximal part, gastroduodenal and superior pancreaticoduodenal artery
- Distal part, SMA through the inferior pancreaticduodenal artery
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Anastomosis batween colic artery and SMA?
Pancreaticoduodenal
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Duodenal innervation
- para, vages
- sym, celiac and superior mesentaric plexi
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Lymph drainage of the jejunum and ileum?
Into the lacteals of the villi to the superior mesenteric node
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Spinal innervation of the mid gut?
- T8-T10
- para from the posterior vagal trunk
- not sensitive to pain but is to stretch and ischemia
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Foregut tissues?
Stomach, esophogus, pancrease, duodenum, liver, bile ducts
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Degree of gut rotation?
270
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Four Physical features of the large intestine?
- Teniae coli, three thick bands of smooth muscle
- Haustra, Pouches between Teniae, Teniae or shorter then large intestine
- Omental Appenadices
- Caliber, thicker
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Cecum blood supply?
- iliiocecal artery of the SMA
- Iliocecal lymph drains to superior mesinteric nodes
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Large intersine innervation?
- T10-T12
- Para from vegus nerve
- Appendix is T10
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Blood Supply to ascending colon?
Iliocolic and right colic artery from SMA
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Arterial supply of transverse colon
middle colic artery from SMA
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Blood supply and innervation of descending colon?
- IMA and lumbar sympathetic trunk
- Para via the inferior hyporgastric to the pelvic splanchnic
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Hiatal Hernia
stomach through the esophageal hiatus
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Gastric vs peptic ulcers?
- Gastric are open lesions of the mucosa of the stomach
- Peptic are lesions of the mucosa of the pyloric call or the duodenum
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Bacteria that infects most stomach ulcers?
Heliobacteer pylori
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Procedure for chronic gastric ulcers
vagotomy, removal of vegus nerve since it causes parietal secretions
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Posterior gastric ulcer
can erode through the pancreas inferring pain to the back and could damage the spleenic artery and cause massive hemorrhage
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Chronic inflammation of the colon?
colitis
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