Please enable JavaScript.

Coggle requires JavaScript to display documents.

Digestive System I : Gastrointestinal Tract, กลุ่ม 2 64315599…

- - - - Esophageal gland : mucous gland
    - - upper : skeletal muscle
      - middle : skeletal & smooth muscle
      - lower : smooth muscle
    - - Non - keratinized stratified squamous epithelium
    - - loose CNT. : มี collagen fiber เป็นจำนวนมาก
  - - - loose CNT with collagen & elastic fiber
    - - smooth muscle 3 layers
        
        middle circular
        
        outer longitudinal
        
        inner oblique
    - - simple columnar epithelium
      - lamina propia : gastric gland
        
        chief / zymogenic cells
        
        หลั่ง pepsinogen & gastric lipase
        
        parietal / oxyntic cells
        
        หลั่งกรดแก่ คือ HCI
        
        mucous neck cells
    - - simple squamous epithelium
  - - - Submucosa
        
        no gland
        
        plica circularis / valve of kerckring : fold of mucosa & submucosa
      - Muscularis externa
        
        smooth muscle 2 layers
        
        inner circular
        
        outer longitudinal
      - Mucosa
        
        simple columnar epithelium with goblet cells
        
        lamina propia : intestinal gland / crypt of Lieberkuhn
        
        หลั่ง intestinal juice
        
        muscularis mucosae
        
        intestinal villi in lumen
      - Serosa
        
        mesothelium
    - - Submucosa
        
        Aggregated lymphatic nodule : Peyer's patches
      - Muscularis externa
        
        smooth muscle 2 layers
        
        inner circular
        
        outer longitudinal
      - Mucosa
        
        simple columnar epithelium with goblet cells
        
        lamina propia : intestinal gland / crypt of Lieberkuhn
        
        muscularis mucosae
      - Serosa
        
        mesothelium
    - - Submucosa
        
        Brunner's gland : mucous gland
        
        หลั่ง alkaline mucous
      - Muscularis externa
        
        smooth muscle 2 layers
        
        inner circular
        
        outer longitudinal
      - Mucosa
        
        lamina propia : intestinal gland / crypt of Lieberkuhn
        
        muscularis mucosae : discontinuous layer
        
        simple columnar epithelium with goblet cells
      - Adventitia
  - - - No gland แต่มี blood vss. & lymphatic nodule
    - - smooth muscle 2 layers
        
        inner circular
        
        outer longitudinal
    - - mesothelium
    - - simple columnar epithelium with goblet cells
      - lamina propia : intestinal gland / crypt of Lieberkuhn
      - No intestinal villi
- - - - inner circular
      - outer longitudinal
- - - - stratified squamous epithelium with skin
        appendage
    - - non-keratinized
        stratified squamous epithelium
    - - keratinized stratified squamous
        epithelium
  - - - Fungiform papillae
        
        stratified squamous epithelium
        
        Shaped-like mushroom
      - Circumvallate papillae
        
        Dome-shaped
        
        keratinized stratified squamous
        epithelium
      - Filiform papillae
        
        keratinized stratified squamous
        epithelium
        
        Overlapping, brush-like processes
        
        Do not contain taste buds
      - Foliate papillae
        
        non-keratinized
        stratified squamous epithelium
        
        Only found in fetus
  - - - above gum
    - - connect between crown & root
    - - Dental pulp : loose connective tissue
        with nerves & blood vss.
    - - within gum
    - - keratinized stratified squamous
        epithelium
- - - - simple columnar epithelium
      - Many crypt of Lieberkuhn
    - - stratified squamous epithelium
      - no gland
  - - - inner circular
      - outer longitudinal