ch 9 abd sono

  1. alimentary canal
    also known as the digestive tract; includes the mouth, pharynx, esophagus, stomach, dduodenum, and small and large intestine
  2. hepatic flexture
    ascending colon arises from the right lower quadrant to bend at this point to form the transverse colon
  3. duodenal bulb
    first part of the duodenum
  4. greater omentum
    known as the "fatty apron" double fold of the peritoneum attached to the duodenum, stomach, and large intestin; helps suport the greater curvature of the stomach
  5. gastrophrenic, gastrosplenic, and lienorenal ligaments
    helps support the greater curvature of the stomach
  6. mesentery
    projects from the parietal peritoneum and attaches to the small intestine anchoring it to the posterior abdominal wall
  7. villi
    inner folds of the small intestine
  8. cardiac orifice
    entrance of the esophagus into the stomach
  9. mucosa
    1st layer of bowel
  10. gastrohepatic ligament
    helps support the lesser curvature of the stomach
  11. splenic flexure
    the transverse colon travels horizontally across the abdomen and bends at this point to form the descending colon
  12. submucosa
    one of the layers of the bowel, under the mucosal layer; contains blood vessls and lymph channels
  13. haustra
    normal segmentation of the call of the colon
  14. lesser omentum
    suspends the stomach and duodenun from the liver; helps to support the lesser curvature of the stomach
  15. pyloric canal
    muscle that connects the stomach to the proximal duodenum
  16. serosa
    fourth layer of bowel; thin loose layer of connective tissue surrounded by mesothelium covering the intraperitoneal bowel loops
  17. muscularis
    third layer bowel
  18. valvulae conniventes
    normal sementation of the small bowel
  19. rugae
    inner folds of the stomach wall
  20. mesothelium
    5th layer bowel
  21. abcess
    localized collection of pus surrounded by inflamed tissue
  22. absorption
    process of nutrient molecules passing through wall of intestine into blood or lymph system
  23. cholecystokinin
    hormone released by the presence of fat in the intestine; regulates gallbladder contraction and gastric emptying
  24. gartrin
    endocrine hormone released from the stomach (stimulates secretion of gastric acid)
  25. peristalsis
    rhythmic dilation and contraction of the gastrointestinal tract as food is propelled though it
  26. McBurney point
    located by drawing a line from the right anterosuperior iliac spine to the umbilicus at approx the midpoint ot this line lies the root of the appendix
  27. secretin
    released from small bowel as antacis; stimulates secretion of bicarbonate
  28. appendiclolith
    a fecalith of calcification located in the appendix
  29. ascites
    free fluid in the abdomen
  30. Crohn's disease
    inflammation of the bowel accompanied by abcess and bowel wall thickening
  31. diverticulum
    a pouchlike herniation throught the nuscular wall of a tubular organ that occurs in the stomach the small intestine or most commonly the colon
  32. fecalith
    calculus that may form around fecal material associated with appendicitis
  33. hemorrahage
    collection of blood
  34. target sign
    characteristic of gatrointestinal wall thickening consisting of an echogenic center and a hypoechoic rim
  35. McBurney sign
    site of maximal tenderness in the RLQ; usually with appendicitis
  36. Meckel's diverticulum
    congenital sac or blind pouch found in the lower portion of the ileum
  37. paralytic ileus
    dilated fluid filled bowel loops without peristalsis
  38. polyp
    a small tumorlike growth that projects from a mucous membrane surface
  39. lymphoma
    malignancy of the lymph nodes, spleen, or liver
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ch 9 abd sono