ANP2 Chapter 21

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  1. GI(Digestive)Tract consists of: Oral cavity, pharynx, esophagus, stomach, small intestine, large intestine and anus

    Accessory Digestive Organs aid in the breakdown of foodstuffs:Teeth, tongue, gallbladder, salivary glands, liver, and pancreas

    Are the two groups of organs within the digestive system
  2. A muscular tube that winds through the body and is responsible for the digestion and absorption of food
    The Digestive or Gastrointestional Tract (GI tract)
  3. The Digestive Tract is composed of four tunics:
    • Mucosa
    • Submucosa
    • Muscularis
    • Serosa or Adventitia
  4. Has a muscular layer called the Muscalaris Mucosa
  5. Has blood vessels, nerves and small glands
  6. Muscular layer and controls movement of food in the digestive tract
  7. Forms the outermost layer of the digestive tract
    Serosa or Adventitia
  8. Three Major Types of Enteric Neurons:
    • Enteric Sensory Neuron
    • Enteric Mortor Neuron
    • Enteric Interneurons
  9. Neuron that detects stretch of the digestive tract wall
    Enteric Sensory Neuron
  10. Control smooth muscle contraction in the digestive tract
    Enteric Motor Neuron
  11. Connects the enteric sensory and motor neurons
    Enteric Interneurons
  12. A serious membrane that lines the abdominopelvic cavity and organs
  13. The connective tissue sheet that consists of two serous membranes with a thin connective tissue layer sandwhiched betwn the membranes which hold many organs in place in the abdominopelvic cavity
  14. The mesentery that extends from the greater curvature of the stomach
    Greater Omentum
  15. The mesentary that extends from the liver to the lesser curvature of the stomach
    Lesser Omentum
  16. Two regions the mouth is divided into:
    • Vestibule
    • Oral Cavity Proper
  17. Space between the lips or cheeks and the alveolar processes, which contain the teeth
  18. Lies Medial to the alveolar processes
    Oral Cavity Proper
  19. Formed by the orbicularis oris
    Lips or Labia
  20. Forms the lateral walls of the oral cavity
  21. Mouth is bounded by:
    • Lips
    • Cheeks
    • Palate
    • Tongue
  22. Forms the roof of the mouth. Consists of hard and soft areas
    Hard Palate and Soft Palate
  23. Assists the tongue in chewing
    Hard Palate
  24. Mobile fold formed mostly of skeletal muscle
    Soft Palate
  25. Projecting from the soft palate
  26. Muscular structure on the floor of the mouth and fills the oral cavity when the mouth is closed
  27. Types of Teeth:
    • Incisors
    • Canines
    • Premolars
    • Molars
  28. Tooth Consists Of:
    • A Crown
    • A Neck
    • A Root  
  29. The Three Layers of The Tooth:
    • Enamel
    • Dentin
    • Pulp
  30. Secures the tooth into the tooth alveolus or socket
    Periodontal Ligaments
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ANP2 Chapter 21
2013-10-29 19:16:16
ANP2 21

Chapter 21 Digestive System
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