226 lab 8

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226 lab 8
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2010-04-06 22:59:10
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anatomy 226 lab 8
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  1. the digestive system is also called
    alimentary canal
  2. alimentary canal means
    tube within a tube
  3. digestive system ( alimentary canal) consist of:
    mouth, pharynx, esophagus, stomach, intestines
  4. the five functions of the digestive system (alimentary canal):
    ingestion, propulsion, digestion (mechanical and chemical), absorption, and defecation.
  5. the four tunics of the digestive system (alimentary canal )
    mucosa, submucosa, muscularis externa, serosa
  6. nearest to lumen, usually simple comlumnar epithelium, lamina propria, a little smooth muscle
    mucosa
  7. what is the function of the mucosa
    secretion, absorption, protection
  8. dense CT with blood/lymph vessels, lymph nodules,
    submucosa
  9. what nerve is in the submucosa
    submucosal nerve plexus
  10. what it the function of the submucosa
    protection and nutrition
  11. circular muscle deeper to longitudinal muscle
    muscularis externa
  12. what nerve is in the muscularis externa
    myenteric nerve plexus
  13. what is the function of the muscularis externa
    movement of food
  14. mesothelium and areolar CT
    serous
  15. what is the function of the serosa
    protection, lubrication, anchor tissue
  16. what is the serosa called in the esophagus
    adventitia
  17. which tunica has 2 bands
    muscular externa
  18. What does the mouth include:
    palatine tonsils, lingual tonsils
  19. the mouth is made up of ______________ epithelium
    stratified squamous
  20. the function of the mouth is
    ingestion, propulsion, mechanical and chemical digestion
  21. chemical digestion is also called
    starch digestion
  22. the pharynx consist of three regions:
    naso, oro, laryngo
  23. what region of the pharynx is not a part of digestion
    naso
  24. the function of the pharynx is
    propulsion
  25. mucosa in the pharynx is made of
    simple squamous epi
  26. mucosa in esophagus is made of
    simple squamous epi
  27. what is the function of the esophagus
    propulsion
  28. what type of propulsion does the esophagus do
    peristalsis
  29. what is peristalsis
    wavelike movement of food
  30. esophagus has _________ rather than serousa
    adventitia
  31. the mucosa of the stomach is
    simple clomunar epithelium
  32. what are the 4 regions of the stomach
    cardia, fundus, body, pylorus
  33. has lesser and greater curvatures
    stomach
  34. has additional oblique muscle layer (deepest layer )
    stomach
  35. what is rugae?
    muscle folds in the stomach
  36. what kind of cells do the gastric pits and gastric glands of the stomach have?
    parietal cells (HCl) and chief cells (pepsinogen)
  37. the function of the stomach is
    propulsion, stores food temporarily, mechanically and chemically breaks down food,
  38. food becomes ___________ in the stomach
    chyme
  39. chemical digestion in the stomach is primarily involved with
    protiens
  40. the mucosa of the small intestion is
    simple clumnar
  41. what are the three regions of the small intestine
    duodenum, jejunum, secum
  42. functions of the small intestine are
    propulsion, chemical digestion, absorption of nutrients
  43. the chemical digestion in the small intestine is mostly involved with
    carbohydrates, proteins, fats (all foods)
  44. the submucosa of the duodenum have
    duodenal or brunner's glands
  45. what do brunner's (duodenal glands) do
    produce mucus
  46. increase surface area
    microvilli and villi
  47. produce intestinal juice
    crypts of lieberkuhn
  48. produce alkaline mucus to neutralize pH of chyme leaving stomach
    duodenal gland
  49. has fewer villi than duodenum
    ileum
  50. lymphoid nodules for fighting bacteria
    preyer's patch
  51. preyer's patches are located in
    ileum
  52. large intestine is also called
    colon
  53. the mucosa of the large intestine is
    simple columnar
  54. functions of the large intestine are
    propulsion, water absorption, defecation of feces, synthesis of vitamins B & K
  55. four colon regoins?
    ascending, transverse, descending, sigmoid
  56. teniea coli are
    three muscular bands in the large intestine
  57. pocket like sac on the colon
    haustra
  58. how many deciduous teeth do we have
    20
  59. decidous teeth are also called
    baby teeth
  60. how many permanent teeth do we have
    32
  61. the order of teeth are
    incisors, canine, premolar, molar
  62. function of the teeth is
    mechanical digestion
  63. the three salivary glands are
    parotid (amylase), submandibular (mucus and amylase), sublingual (mostly mucus)
  64. the function of the salivary glands are
    chemical digestion (starch)
  65. salivary glands produce
    bolus
  66. the livers four lobes are
    • right lobe, left lobe,
    • caudate lobe, and quadrate lobe
  67. what anchors the liver to the diaphragm and abdominal wall
    falciform ligament
  68. function of the liver is
    to produce and release bile, store/convert/detoxify nutrients
  69. emulsifies fat
    bile
  70. function of the gall bladder
    storage site for bile
  71. transports bile from gall bladder to common bile duct
    cystic duct
  72. produces enzymes for
    digestion of all macromolecules, regulates blood glucose levels.
    pancreas
  73. the endocrine cells of the pancreas is ________ and prduces _________
    islet of langerhan, insulin/glucagon/somatostatin
  74. the exocrine cells of the pancreas is _______ they secrete _________ which contains ________
    acinar cells, pancreatic juice, lipase/amylase/protease

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