Abstract
The principal points treated in this paper are as follows:I. The demonstration of the fibrillar nature of the process as opposed to the nerve tube of Nansen. Positive proof of the elementary network of Apathy and Bethe is lacking. Such a view could, however, best explain the structure of the neuropile of the ganglion (brain) of Cynthia.II. The presence in the cell of ganglion bodies of different size, which color strongly with methylen blue and which are of different chemical structure from the groundwork of the cell. These bodies are undoubtedly homologous with the chromophilous substance in many invertebrates (Pfluge, McClure) as well as in vertebrates. The ground substance of the cell appears granulo-fibrillar. Frequently fibrils may be proved in the cell, especially near the process, and in the periphery of the cell. A cone of entrance was frequently found.III. The existence of the centrosome and sphere in the ganglion cell. This structure was found in adult as well as in young specimens...
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
