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NERVOUS TISSUE & SPECIAL SENSE, กลุ่ม 2 64315599 นางสาวศศิเขมณัฐ…

- - - - Unipolar neuron
    - - Multipolar neuron
    - - Satellite cell
  - - - Sheath of Schwann
      - Endoneurium
      - Myelin sheath
  - - - pyramidal cell
      - purkinje cell
  - - - Microglia
      - Oligodendrocytes
      - Ependymal cell
      - Astrocytes
    - - Schwann cells
      - Satellite cells
  - - - Spinal cord
        
        dorsal gray horn : sensory
        
        ventral gray horn : motor
        
        lateral gray horn : sympathetic neuron (T1-L2)
      - Brain
        
        มี 6 layers
        
        3.external pyramidal layer
        
        4.internal granular layer
        
        2.external granular layer
        
        5.internal pyramidal layer
        
        1.molecular layer (plexiform layer)
        
        6.multiform (polymorphic layer)
        cerebral cortex
    - - nerve fiber
- - - - ในเนื้อเลนส์จะไม่พบ nucleus
    - - Dense collagen opus fiber bundles
    - - ไม่มีหลอดเลือดมาเลี้ยง และ มีการหักเหของแสง
      - Transparent => collagen fiber
    - - < Mucous membrane >
        < Stratified columnar epithelium with goblet cell >
        < Laminar propria (loose vascular CNT) >
    - - < anterior layer > : layer of fibroblasts and melanocytes
        < stroma > : stromal melanocyte
        : smooth muscle
        < posterior epithelium > : pigmented epithelium
    - - < Pigmented cell (melanin pigment) >
        < Small vessel >
        < Bruch’s membrane >
    - - มี 10 layers
      - special area of retina
        < optic disc > : blind spot (no rods or cones)
        < macula lutea > : yellow spot , area of high cones
        < fovea centralis > : center of macula lutea
    - - < Muscles >
        : smooth muscle (กล้ามเนื้อเกิดการหดตัว ทําให้มีการเปลี่ยนของ lens)
        : control lens shape
        (ควบคุมรูปร่างของlens)
        < Processes >
        : fibro-elastic tissue core
    - - มี 3 layers
        
        Middle vascular layer (Uvea)
        => Choroid
        => Iris
        => Ciliary body & process
        
        Inner nervous layer
        => retina
        
        Outer fibrous layer
        =>Sclera (white)
        => Cornea (transparent)
  - - - => Taste pores
        =>Gustatory receptor cells
        => Supporting cells
        =>Basal cells : stem cells
    - - pseudostratified columnar epithelium
        (no goblet cells)
    - - < Auditory part >
        
        cochlea
      - < Vestibular part >
        
        semicircular canal vestibule
    - - ประกอบไปด้วย organ of corti
    - - vestibular ganglion
        
        vestibular nerve
      - ampulla
        
        cristabular ampullaris