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16 Cards in this Set
- Front
- Back
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The falciform ligament is derived from what Fetal/embryonic structure?
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Umbilical Vein/
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What structure is contained in the Falciform ligament?
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Ligamentum Teres
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What layer of the intestinal wall is the Meissner's Plexus located?
What is its function? |
Submucosa
Regulates local secretions |
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Brunner's glands are found in what part of the GI tract?
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Duodenum - Submucosa
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The crypts of Lieberkuhn are found in what part of the GI tract?
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All of small intestine
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What section of small bowel has the most Goblet cells?
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Jejunum
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Anemia, atrophic glossitis with difficulty swallowing is associated with what disease?
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Plummer-Vinson syndrome - esophageal webs
- May progress to squamous cell carcinoma |
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What innervation and spinal level of Stomach, proximal duodenum, liver, gallbladder, pancreas and spleen?
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Foregut - embryonic
Celiac artery Vagus - Parasympathetic innervation T12/L1 - vertebral levels |
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What are the symptoms of Scleroderma CREST syndrome?
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Calcinosis
Raynauds Phenomenon Esophageal Dysmotility Telangectasia More Fingers and Face (limited skin invovlement) antiCentromere antibody (C for CREST) |
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What is the pectinate line and what is its significance?
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Formed where the hindgut meets ectoderm
Above pectinate line - internal hemorrhoids, adenocarcinomas. Arterial supply from Superior Rectal Artery (from IMA), Venous drainage from Superior rectal vein --> IMV --> portal system Below pectinate line: External hemorrhoids, squamous cell carcinoma, Arterial supply from Inferior rectal artery (internal pudendal artery), Venous drainage to inferior rectal vein --> internal pudendal vein --> internal iliac vein --> IVC |
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What is gastrochisis?
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Failure of the lateral body folds to fuse during week 4 of development causing abdominal viscera to protrude. Organs are covered by by peritoneum (vs. omaphalocele
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Meckle's diverticulum, vitelline fistula or cyst are all cause by dysfunction of what embryonic structure?
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Failure of the Yolk Stalk to degenerate
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What type of sprue involves the whole small intestine?
Which affects mostly the proximal small intestine? |
ETEC or tropical sprue involves all SI
Celiacs disease affects mostly the proximal SI mucosa |
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What hormone from the duodenum is released in response to Fats and Proteins that is not released in response to Carbs?
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CCK is not released in response to carbs
(GIP is released in response to all three) |
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Gastrin is release in the presence of what food-stuffs?
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Proteins in the Antrum cause release of Gastrin
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What is the difference between the Warthin's tumor and the mucoepidermoid tumors?
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Warthins - benignheterotopic salivary gland tissue trapped in lymphatic tissue
Mucoepidermoid carcinoma - most common malignant tumor of the salivary gland |
