抄録
1. Spiral ganglion of 13 day old chick embryo was cultivated in Rose chamber and ganglion cells were observed continuously by phasecontrast microscope.
2. The ganglion cells cultivated as long as 100 days were classified into 4 groups according their cytological features which were correlated to the recovery and maturation processes of the degenerating ganglion cells.
3. The patterns of intracytoplasmic granula formation and vacuole formation were demonstrated. Some of them were interpreted as the reversible change.
4. After reviewing the previous works in the tissue culture and animal experiment of the nervous tissue, it was suggested that the resultes of this work would be contributable to the elucidation of the various forms of the nerve cells in living organism.
This work is a part of the author's studies which have been done in Tissue culture laboratory of Northwestern University since Nov. 1961 till Nov. 1962. With the permition of Dr. G. E Shambaugh. M. D., the chief of the department of otorhinolaryngology, and of Dr. M. F Orr. Ph. D., the director of the laboratory, this paper was submitted. The acknowledgement of the author is devoted to these two great leaders.
