The anatomy of the nervous system, from the standpoint of development and function . lionic libers whichrelay the visceral efferent impulses to the innervated tissue. According toCajal (1911). who states that his anatomic studies are in accord with the physio-logic experiments of Langley, the axons of the cells in the ganglia of the sympa-thetic trunk dispose themselves in one of the three following ways: 11 Usuallythey run transversely to the long axis of the ganglion to enter a gray ramus. 344 THE NERVOUS SYSTEM (2) The axons may run through a connecting nerve trunk into another


The anatomy of the nervous system, from the standpoint of development and function . lionic libers whichrelay the visceral efferent impulses to the innervated tissue. According toCajal (1911). who states that his anatomic studies are in accord with the physio-logic experiments of Langley, the axons of the cells in the ganglia of the sympa-thetic trunk dispose themselves in one of the three following ways: 11 Usuallythey run transversely to the long axis of the ganglion to enter a gray ramus. 344 THE NERVOUS SYSTEM (2) The axons may run through a connecting nerve trunk into another is not able to say whether these axons only run through the second ganglionor whether they make connections with its cells. In the chick embryo he at onetime described collaterals coming from those longitudinal fibers of the ganglia,which take origin in neighboring ganglia. Now, however, he is inclined to doubtthis observation, and thinks it likely that these collaterals all come from fibersthat have entered the sympathetic trunk through white rami at other levels. Fig. 254.


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectnervoussystem, bookye