E-mail: fukumoto@nsc.nagoya-cu.ac.jp
Animals: Solitary and Compound Ascidians
Subjects: Spermiogenesis, Sperm Morphology, Acrosome Differentiation,
    :       Acrosome Reaction, Apical Process Formation, Morphological
    :       Aspects of Ascidian Fertilization especially with external
    :       Fertilization

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Fukumoto's Profile

  Ascidians :
    H. roretzi, S. plicata, C. intestinalis

1. Sperm morphology
   
2. Acrosome in Styela plicata
   
3. Spermiogenesis in Diplosoma macdonaldi
   
4. Mode of Acrosome Differentiation in Ascidians
   
5. Acrosome in Phallusia nigra
   
6. Apical Region of Ascidian Spermatozoa
   
7. Apical Structure of Perophora annectens Sperm
   
8. Acrosome reaction 1
   
9. Acrosome reaction 2
   
10. Schematic Illust. of Acrosome reaction
    
11. Polyspermy in Halocynthia roretzi
    
12. Apical processes
    
13. Fertilization
    
14. Comparison of Fertilization
    
15. Lingula anatina -1
    
16. Lingula anatina -2
    
17. Lingula anatina -3
    

    Branchiostoma belcheri     Lingula anatina

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