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34 Cards in this Set
- Front
- Back
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Esophagus innervation
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-Roughly 10 in in length; diameter of 2 cm
• Innervated by esophageal plexus of nerves (Vagal trunks) |
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Esophagus blood supply
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Esophageal branches from the thoracic aorta
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Lesser Curvature blood supply
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– Blood supply: L & R Gastric AA/VV
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Greater Curvature blood supply
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– Blood Supply: L & R Gastro-omental (epiploic) AA/VV
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Celiac trunk artery
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esophagus, stomach, proximal duodenum, liver/bilary apparatus, pancreas
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Left gastric artery
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Distal (mostly abdominal) part of esophagus and lesser curvature of stomach
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Splenic artery
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Body of pancreas, spleen, and greater curvature and posterior stomach body
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Left gastro-omental artery
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Left portion of greater curvature of stomach
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Hepatic artery
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Liver, gallbladder and bilary ducts, stomach, duodenum, pancreas, and respective lobes of liver
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Cystic artery
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gallbladder and cystic duct
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Right gastric artery
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right portion of lesser curvature
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Gastroduodenal artery
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Stomach, pancreas, first part of duodenum, and distal part of bile duct
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Right gastro-omental artery
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Right portion of duodenum and superior part of head of pancreas
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Duodenum blood supply
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Gastroduodenal A.& pancreatic aa.
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Jejunum blood supply
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Superior Mesenteric A.
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Ileum blood supply
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Superior Mesenteric A.
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3 distinguishing features of Large intestine
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(haustra, tineae coli, omental appendages)
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Superior Mesenteric artery
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part of gastrointestinal tract derived from midgut
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Intestinal artery
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jéjunum and ileum
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Middle colic artery
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Transverse colon
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Right colic artery
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ascending colon
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Ileocolic artery
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Ileum, cecum and ascending colong
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Inferior mesenteric artery
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supplies part of GI tract derived from hind gut
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left colic artery
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descending colon
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sigmoid artery
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descending and sigmoid colon
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Superior rectal artery
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proximal part of rectum
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Spleen function
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During development it is hematopeietic and breaks down/recycles damaged RBCs
• Blood reservoir and some minor immune abilities |
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Bile drainage
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Liver creates bile
– Secretes through hepatic ducts (R/L & common) – Hepatic ducts join w/ cystic duct – Forms (common) bile duct – Joins with pancreatic duct – Empties into major duodenal papilla into duodenum |
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What is the portal triad?
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portal vein
hepatic artery bile passages |
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Hepatic portal vein
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deoxygenated, but nutrient rich (or toxin rich) blood from the digestive system & accessory organs
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Anastomoses possible alternate routes if the liver becomes compromised?
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A) Esophageal veins (azygos & left gastric veins)
• C) Umbilical veins (paraumbilical & epigastric veins) • B) Rectal veins (superior & inferior rectal veins) • D) Colic veins (IMV & colic veins off the IVC) |
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Anterior midline vascular plane
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*Digestive tract*
Celiac superior mesenteric inferior mesenteric |
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Lateral vascular plane
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*Urogenital and endocrine organs*
suprarenal renal gonadal |
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Posterolateral plane
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*diaphragm; body wall*
subcostal inferior phrenic Lumbar |
