Anatomy | Theiler Stage 12 - First Somites
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Anatomy Database Curator: Prof. Jonathan B. L. Bard


mouse (EMAP:25777)
  embryo (EMAP:207)
    branchial arch (EMAP:208, Appears late in stage)
      1st arch (EMAP:209)
        branchial groove (EMAP:210)
          ectoderm (EMAP:211)
        branchial membrane (EMAP:212)
          ectoderm (EMAP:213)
          endoderm (EMAP:214)
        branchial pouch (EMAP:215)
          endoderm (EMAP:216)
        ectoderm (EMAP:217)
        endoderm (EMAP:218)
        mesenchyme (EMAP:219)
          mesenchyme derived from head mesoderm (EMAP:221)
          mesenchyme derived from neural crest (EMAP:220)
    cavities and their linings (EMAP:222)
      intraembryonic coelom (EMAP:223)
        pericardial component (EMAP:224)
          cavity (EMAP:225)
          mesothelium (EMAP:226)
        pericardio-peritoneal component (EMAP:227)
          cavity (EMAP:228)
          mesothelium (EMAP:229)
        peritoneal component (EMAP:230)
          cavity (EMAP:231)
          mesothelium (EMAP:232)
    ectoderm (EMAP:233)
      neural ectoderm (EMAP:234)
        future brain (EMAP:235)
          future midbrain (EMAP:236)
            floor plate (EMAP:237)
            neural fold (EMAP:238)
              neural crest (EMAP:239)
          future prosencephalon (EMAP:240)
            floor plate (EMAP:241)
            neural fold (EMAP:242)
              neural crest (EMAP:243)
          future rhombencephalon (EMAP:244)
            anterior pro-rhombomere (EMAP:245, Appears late in stage)
              floor plate (EMAP:246)
              neural fold (EMAP:247)
                neural crest (EMAP:248)
            early hindbrain neural ectoderm (EMAP:249)
              floor plate (EMAP:250)
              neural fold (EMAP:251)
                neural crest (EMAP:252)
            posterior pro-rhombomere (EMAP:253, Appears late in stage)
              floor plate (EMAP:254)
              neural fold (EMAP:255)
                neural crest (EMAP:256)
            pre-otic sulcus (EMAP:257)
        future spinal cord (EMAP:258)
          neural plate (EMAP:259)
            neural fold (EMAP:260)
              neural crest (EMAP:261)
          neural tube (EMAP:262)
            floor plate (EMAP:263)
            lateral wall (EMAP:264)
            neural lumen (EMAP:265)
            roof plate (EMAP:266)
      surface ectoderm (EMAP:267)
    endoderm (EMAP:268)
      primitive endoderm (EMAP:269)
    mesenchyme (EMAP:270)
      head mesenchyme (EMAP:271)
        mesenchyme derived from head mesoderm (EMAP:272)
        mesenchyme derived from neural crest (EMAP:273)
          trigeminal neural crest (EMAP:274)
        paraxial mesenchyme (EMAP:275)
          somite (EMAP:276)
            somite 01 (EMAP:277)
            somite 02 (EMAP:278)
            somite 03 (EMAP:279)
            somite 04 (EMAP:280)
      trunk mesenchyme (EMAP:281)
        intermediate mesenchyme (EMAP:282)
        lateral plate mesenchyme (EMAP:283)
          somatopleure (EMAP:284)
          splanchnopleure (EMAP:285)
        paraxial mesenchyme (EMAP:287)
          somite (EMAP:288)
            somite 05 (EMAP:289)
            somite 06 (EMAP:290)
            somite 07 (EMAP:291)
            somite 08 (EMAP:292)
          unsegmented mesenchyme (EMAP:293)
        primordial germ cells (EMAP:294)
    notochord (EMAP:295)
    notochordal plate (EMAP:296)
    organ system (EMAP:297)
      cardiovascular system (EMAP:307)
        arterial system (EMAP:308)
          1st arch artery (EMAP:309)
          2nd arch artery (EMAP:310, Appears late in stage)
          dorsal aorta (EMAP:311)
            left (EMAP:312)
            right (EMAP:313)
          vitelline artery (EMAP:314)
        heart (EMAP:315)
          cardiogenic plate (EMAP:316)
          early primitive heart tube (EMAP:317, Appears early in stage)
            cardiac jelly (EMAP:318)
            cardiac muscle (EMAP:320)
            endocardial tube (EMAP:319)
          mesentery (EMAP:321)
            dorsal mesocardium (EMAP:322)
              transverse pericardial sinus (EMAP:323, Appears late in stage)
          primitive heart tube (EMAP:324, Appears late in stage)
            bulbus cordis (EMAP:325)
              caudal half (EMAP:326)
                cardiac jelly (EMAP:327)
                cardiac muscle (EMAP:329)
                endocardial tube (EMAP:328)
              rostral half (EMAP:330)
                cardiac jelly (EMAP:331)
                cardiac muscle (EMAP:333)
                endocardial tube (EMAP:332)
            common atrial chamber (EMAP:334)
              cardiac jelly (EMAP:335)
              cardiac muscle (EMAP:337)
              endocardial tube (EMAP:336)
            outflow tract (EMAP:338)
              cardiac jelly (EMAP:339)
              endocardial tube (EMAP:340)
              mesenchyme (EMAP:341)
            primitive ventricle (EMAP:342)
              cardiac jelly (EMAP:343)
              cardiac muscle (EMAP:345)
              endocardial tube (EMAP:344)
          sinus venosus (EMAP:346)
            left horn (EMAP:347)
            right horn (EMAP:348)
        venous system (EMAP:349)
          anterior cardinal vein (EMAP:350)
          primary head vein (EMAP:351)
          umbilical vein (EMAP:352)
          vitelline vein (EMAP:353)
      sensory organ (EMAP:298)
        ear (EMAP:299)
          inner ear (EMAP:300)
            otic placode (EMAP:301)
              associated mesenchyme (EMAP:302)
              epithelium (EMAP:303)
        eye (EMAP:304)
          optic sulcus (EMAP:305)
            neural ectoderm (EMAP:306)
      visceral organ (EMAP:354)
        alimentary system (EMAP:355)
          gut (EMAP:356)
            foregut diverticulum (EMAP:357)
              associated mesenchyme (EMAP:358)
              endoderm (EMAP:359)
              lumen (EMAP:6902)
            hindgut diverticulum (EMAP:360)
              associated mesenchyme (EMAP:361)
              endoderm (EMAP:362)
              lumen (EMAP:6904)
              primordial germ cells (EMAP:363)
            midgut (EMAP:364)
              associated mesenchyme (EMAP:365)
              endoderm (EMAP:366)
              lumen (EMAP:6913)
          mouth-foregut junction (EMAP:367)
            buccopharyngeal membrane (EMAP:368)
              ectoderm (EMAP:369)
              endoderm (EMAP:370)
          oral region (EMAP:371)
            stomatodaeum (EMAP:372)
    primitive streak (EMAP:373)
  extraembryonic component (EMAP:374)
    allantois (EMAP:375)
      mesenchyme (EMAP:376)
    amnion (EMAP:377)
      ectoderm (EMAP:378)
      mesenchyme (EMAP:379)
    cavities (EMAP:380)
      amniotic cavity (EMAP:381)
      exocoelomic cavity (EMAP:382)
      yolk sac cavity (EMAP:383)
    chorion (EMAP:384)
      ectoderm (EMAP:385)
      mesenchyme (EMAP:386)
    endoderm (EMAP:387)
      parietal endoderm (EMAP:388)
        Reichert's membrane (EMAP:389)
      visceral endoderm (EMAP:390)
    trophectoderm (EMAP:391)
      mural trophectoderm (EMAP:392)
        primary trophoblast giant cells (EMAP:393)
      polar trophectoderm (EMAP:394)
        ectoplacental cone (EMAP:395)
          cytotrophoblast (EMAP:396)
          syncytiotrophoblast (EMAP:397)
    yolk sac (EMAP:398)
      endoderm (EMAP:399)
      mesenchyme (EMAP:400)
        blood island (EMAP:401)


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28/10/2002
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