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2011-04-21 12:18:41
anatomy words

definition of parts
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  1. Mucosa
    the innermost layer surrounding the lumen
  2. Submucosa
    is composed of areolar connective tissue that houses blood vessess, lymph vessels, and nerves.
  3. Muscularis
    • smooth muscle tissue arranged in two layers: the inner circular layer, and outer longitudinal layer.
    • -propels food, mix, and grind food.
  4. Serosa
    • the outermost layer and composed of connective tissue
    • -also it is the visceral layer of the peritoneum, which protects the digestive organs.
  5. Papillae
    projection of the mucosa on the surface of the tongue
  6. Goblet cells
    • cells that secret mucus
    • -mucosa of small intestine is composed of simple columanr epithelium with goblet cells.
  7. Villi
    finger-like projection of the mucosa, which increases surface area of the small intestine for inhanced absorption of nutrient.
  8. Liver lobule
    the functional unit of liver, appears as six sided (hexagon) structure
  9. Hepatocytes
    cells found in the liver lobule
  10. Central vein
    vein found in liver lobule
  11. Acini cells
    simple cuboidal pancreatic cells that pruduce digestive enzymes
  12. Pancreatic islets (islets of Langerhans)
    cirular clusters of endocrine cells that produce the hormones glucagon and insulin in pancrea.
  13. oral cavity
    the lips, cheeks, fauces, tongue, and palate.
  14. gingiva
    gums that support the teeth
  15. Labial frenulum
    A membranous fold of skin or membrane that connects the gum and upper lip
  16. vestibule
    the space found between the cheeks/lips and teeth
  17. lingual frenulum
    a membrane that attaches the tongue and the floor of the lower jow
  18. Uvula
    the posterior of soft plate
  19. fauces
    lateral arches, forming the opeinin to the oropharynx, that contain the palatine tonsils
  20. parotid gland
    large glands located anterior and inferior to the ear
  21. submandibular glands
    gland located medially below the mandible
  22. sublingual glands
    glands located medially below the tongue
  23. Incisor teeth
    • the first tooth that are located in the premaxilla above and mandible below.
    • -used for shearing sharply
  24. Incisor teeth
    • the first tooth that are located in the premaxilla above and mandible below.
    • -used for shearing sharply
    • they are 8
  25. Cuspids (canine)
    4canine teeth, two in upper madibule and two in lower madibule
  26. Premolars (bicuspid)
    8 teeth that are found before the molar teeth
  27. Molar teeth (tricuspid)
    12 molar teeth found in the back of the mandibule
  28. Crown
    the visible part of the teeth above the gum
  29. root of teeth
    is the region embedded in the bone
  30. Neck of teeth
    constricted region where the crown and root meet
  31. Enamel
    a very hard layer of the crown teeth
  32. Cementum
    the outermost surface of the root of teeth
  33. Dentin
    bone-like structure that composes the bulk of the teeth deep to the enamel and cementum
  34. Pulp
    the innermost portion of the tooth. blood vessels and nurve pass through the pulp
  35. epiglottis
    covers the larynx during swallowing, so that food for liquid will only enter the esophagus
  36. esophagus
    • a muscular tube of about 10 inches that extends from the pharynx through the medistinum to the stomach.
    • -propels food by peristalisis
  37. stomach
    stores food, mixes food for mechanica digestion, and chemically breaks down food with gastric juices and enzymes
  38. fundus
    superior portion or region of the stomach
  39. cardiac
    region of the stomach surrounding the esophagus
  40. body of the stomach
    region of the stomach that forms the main portion of the stomach
  41. plyloric
    region connecting the stomach to the small intestine
  42. Lower esopahgeal sphincter
    gastroesophageal shincter, and cardiac sphincter that controls the passage of food from the esophagus into the stomach
  43. pyloric sphincter
    sphinter between the stomach and small intestine that controls the movement of food from the stomach into duodenum
  44. lesser curvature
    curvature of the stomach at the superior-right border of the stomach
  45. greater curvature
    curvature of the stomach that is more extensive and forms the left boarder
  46. rugae
    • the temporary folds of the mucosa in the stomach
    • -hels to expand the stomach
  47. ileocecal sphincter
    sphincter that connects the ileum and large intestine, controls the folw of ileum contents into the cecum
  48. taenia coli
    three-longitudinal bands along the large intestine, which is formed from the muscularis externa of the colon
  49. haustra
    pouches formed from the contractionof the taena coli
  50. greater omentum
    folds of perietal peritoneum that connects the stomach's greater curvature to the transverse colon
  51. mesentery
    a two-layered fold of the peritoneum connecting parts of the intestine with the posterior abdominal wall