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0928 Histology--Introduction to Embryology (Formation of Placenta (Anatomy…

- - - - Implantation D7
        
        endometrium 子宮內膜
      - blastocyst D4 （~ 60 cells）
        
        Inner cell mass 內細胞團
        
        Bilaminar embryonic disc 雙層胚盤
        
        Hypoblast 下胚層
        
        Epiblast 上胚層
        
        Trophoblast 滋養母細胞
        
        Cytotrophoblast 細胞滋養母細胞
        
        Syncytiotrophoblast 合體胞滋養母細胞
      - Morula D3 12–32 （blastomeres）
      - 4-cell stage D2
      - Fertilization --> Zygote、cleavage
    - - fibrin coagulum 血纖維蛋白凝塊
        
        Epithelium
        
        healed
      - Trophoblast lacunae
        
        Maternal sinusoids 血竇-->utroplacental circulation
      - Exocoelomic (Heuser’s) membrane 胚外體腔膜，exocoelomic cavity / primitive yolk sac
      - Decidua reaction 蛻膜反應
      - Extraembryonic mesoderm 胚外中胚層
        
        Extraembryonic somatopleuric mesoderm 體壁層
        
        Extraembryonic somatopleuric mesoderm (chorionic plate)
        
        Extraembryonic splanchnopleuric mesoderm 內臟層
      - Connecting stalk
        
        umbilical cord
    - - Derivatives of the Ectoderm
        
        The Notochord
        
        Prechordal plate 索前板
        
        notochordal plate
        
        Oropharyngeal membrane and cloacal membrane
        
        Neurulation
        
        Neuralcrest cell
        
        neural plate 神經板 --> neural groove 神經溝-->neural tube
        
        brain
        
        cranial neuropore
        
        Maternal folic acid 葉酸 deficiency--> Anencephaly 無腦畸形，Spina bifida 脊柱裂
      - Dynamic Changes of Developing Embryo
      - Derivatives of The Mesoderm
        
        paraxial mesoderm
        
        Somite Development
        
        Myotome 肌節
        
        Dermatome 皮節
        
        Sclerotome 生骨節
        
        Lateral Plate Mesoderm
        
        Parietal (somatic) mesoderm 體壁中胚層
        
        mesothelial membranes 中皮膜 (serous membranes 漿液膜)
        
        Visceral (splanchnic) mesoderm 臟壁中胚層
        
        gut tube
        
        Intraembryonic body cavity (coelom) 胚腔
        
        Extraembryonic mesoderm
        
        Extraembryonic mesoderm--Hemangioblasts--> Hematopoietic stem cells， Angioblasts--> Blood and Blood Vessels
        
        Yolk sac-->Digestive tube
        
        Intermediate mesoderm 中間中胚層
      - Endoderm Development
        
        Primitive gut 原腸
        
        Foregut 前腸
        
        Midgut 中腸
        
        Hindgut 後腸
      - Gastrulation原腸胚
        
        Primitive streak 原條
        
        Three Germ Layers
        
        Mesoderm
        
        Ectoderm
        
        Endoderm
        
        Primitive node 原結-->(primitive pit
      - Allantois
    - - Derivatives of the Endoderm
      - Derivatives of Germ Layers
- - - - afterbirth 胞衣