digstive system.txt

Card Set Information

Author:
nthomas
ID:
779
Filename:
digstive system.txt
Updated:
2009-11-05 02:33:20
Tags:
digestive system class notes test 3
Folders:

Description:
digestive system class notes, test 3
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user nthomas on FreezingBlue Flashcards. What would you like to do?


  1. ____ is the taking of food into digestive system by way of mouth.
    ingestion
  2. chewing to pulverize food and mix it with saliva
    mastication
  3. ________ is swallowing of food to move it from mouth to stomach
    deglutition
  4. ___ is mechanical and chemical breakdown of food
    digstion
  5. ____mixes food with digestive juices and incers effciency of absoprtion.
    segmentation
  6. ______ is the passage of moleculs of food through mucous membranes of small intestine ( into circulatory and lymphatic systems for distribution)
    absorption
  7. _____begins at the esophagus; rhythmic wavelike intestinal contractions that move food through the digestive tract.
    peristalsis
  8. _____ is discharge of idigestible wastes (feces)
    defecation
  9. ______extends from mouth to anus and is also know as the gastrointestinal/ GI tract
    - organs of the GI tract include oral cavity, pharynx, esophagus, stomach small intestin and large intestin
    alimentary canal
  10. teeth, tounge, salivary glands, liver, gallbladder and pancreas are _________.
    accesory organs
  11. _____generally refers to developing stomach and intestine in embryo.
    gut
  12. Andy of the organs ( lungs,stomach, spleen etc.)
    viscera
  13. Layers of the alimentary canal are called __________ and there are 4 of them from the esophagus to the anal canal.
    tunics
  14. ______ is the innermost layer of alimnetary cannal, surround lumen of GI tract
    -s ecrets mucus, digestive enzymes and hormones
    Mucosa
  15. secrete mucus throughout the GI tract
    Goblet cells
  16. ____ is a thin biding layer of connective tissue.
    - suppors simple coluumnar epithelila tissue
    - helps protect against disease
    Lamina propia
  17. 2 thin layes of smooth muscle in mucosa are __________.
    muscularis mucosae
  18. _____ is realatively thick and highly vascualarized
    also contains collagenous fibers, various glands and nerves
    2nd layers of alimentary canal
    Submucosa
  19. _____ provides autonomic nerve supply to muscularis mucosae
    submucosal plexus
  20. _______ is responsible for segmental contractions and peristalic movment in the alimentary canal
    Muscularis externa
  21. _____ is the outermost layer of the GI tract.
    It is the binding and protecting layer ( much areolar connective tissue)
    covered with simple squamous epithelim and connective tissue
    Serosa
  22. ____ is receptacle for food, initiates digestion through mastication, swallowing, forming words airs pasagewya
    - defined by cheeks lips, hard palate, soft palate and tounge
    Mouth
  23. The mouth contains _______, which are antimicrobial compunds proudced in response to injury.
    - protect the mouth from disease causing microbes
    -refered to as oral or buccal cavity
    initates digestion of carbs
    froms bolus
    defensins
  24. _____ is the depression between cheeks and lips externally
    - area of gums and teeth internally
    vestibule
  25. opening of oral cavity is ____________.
    oral orifice
  26. ______ are openings between oral cavity and pharynx.
    fauces
  27. _____ and ____ assit in manipulating food in oral cavity ,and aid in speech
    cheeks and lips
  28. each lip is attached by inner surface to gum by a midline fold of mucous membrane called _________.
    labial frenulum
  29. _____ or ____ is the transition zone between outer skin and muccous membrane of oral cavity
    vermilion or red margin
  30. _____ fills most of the oral cavity when mouth is closed.
    - mostly made of skelatal muscle
    covered by a mucous membran
    moves food around in mouth during mastication
    resposnible for froming bolus
    assist ins sallyoing food
    essential to producing articulic speech
    Tongue
  31. _____ _______ is undersurface attachemtn of toung to floor of mouth
    lingual frenulum
  32. _____ are small elevation on dorasal surface of tounge.
    3 tpes on dorsum of tounge
    papillae
  33. _____ are papillae that are sensitive to touch. They aid in licking semisolid foods, provide friction for manipulating food, and contain keratin which gives awhitish apperance .
    filiform
  34. Large rounded and reddish type of papillae. They house the tastebuds.
    Fungiform
  35. Arranged in U-shape on posterior surface, and house taste bunds
    Vallate
  36. ___ is the roof of the oral caivty; coverd by mucoous membranes.
    palate
  37. ______ is underlain by bone and food is pushed agains during chewing.
    hard palate
  38. ___ is transver ridges along hard palate area that serve as friction ridges for tounge during swallowing.
    palatal rugue
  39. Fold of mostly skeletal muscle
    soft palate
  40. cone-shaped; free edge that projects downward
    uvula
  41. accesory digestive glands; produce saliva; initaties digestion of carbs; produced primarly by 3 pairs of glands; moistens food
    salivary glands
  42. largest of salivary glands; below and inf front of ear
    partoid gland
  43. submandibular gland
    inferior to mandabile and midway on inside of jaw
  44. on floor of mouth under tounge
    sublingual gland
  45. humans have _______
    heterodont entetnion
  46. sockets containg teeth
    alveoli
  47. 4 pairs; chisel-shaped for cutting and shearing have single root
    incisors
  48. 2 pairs; cons shaped for hoiding and tearing; have a single root
    canines / cuspids
  49. 1,2, or 3 roots; used for curshing and grinding
    premolars (bicuspids) and molars
  50. 2 sets of teeht in lifetiem
    siphyodnt
  51. 20 _______ or ______ teeth
    deciduous or milk
  52. 32 _____ teeth (replacment begins at age 6 to about 17)
    permanet
  53. ______ or ____ are last to errupt. May cause seriouc crowidngor impaction since jaw is fully formed by their apperance
    3rd molars or wisdomw teeth

What would you like to do?

Home > Flashcards > Print Preview