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Histologic Research for the Tracing the Ascending Thoracic Autonomic Fibers. Oba, Sugiteru 1 1Surgical Dept., & Nagoya Univ., pp.205-210
Published Date 1951/7/1
DOI https://doi.org/10.11477/mf.1406200205

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  • Abstract
  • Look Inside

Regarding the tract that rises and ascends from the thoracic sympathetic centre as preg-anglionic fibers or as postganglionic fiber after synaptically relating to ganglia and communic-ates superior cervical gangion and controlls the cepharic portion, we studied questions as follow-ing.

Where are the spinal ganglia corresponding to autonomic ganglia?

How much these ganglia extend in spinal cord?

Where are these autonomic ganglia?

How many these ganglia situate in sympathe-tic ganglia?

For this purpose we applied the theory of retrograde degeneration of nervous system and used rabbits, and thus we got the results as following,

OPERATIONS METHOD AND RESULTS 1. Extraction of superior cervical ganglion.

2. a) Amputation of sympathetic trunk bet-ween 7th and 8th thoracic sympathetic ganglion.

b) Amputation of sympathetic trunk bet-ween 6th and 7th thoracic sympathetic ganglion.

c) Amputation of sympathetic trunk bet-ween 5th and 6th thoracic ganglion.

d) Extraction of ganglion stellatae.

Rabbits were sacrificed 2 weeks after the operation.

(In this period the retrograde degeneration reaches to its top). The behaviour of the thora. cic spinal ganglia and autonimic ganglia are in-vestigated by Toluidin-blue strain.

1. The postoganglionic fibers rising from thra-cic ganglia that pass through superior cervical ganglion and end its termination, rise mostly from 1st and 2nd thoracic ganglion.

2. Although the most part of the postganglionic fibers rising from 3rd thoracic ganglion ascend, but less of them pass through superior cervical ganglion.

3. A few of the postoganglionic fibers rising from 4th & 5th thoracic ganglion pass through superior cervical ganglion and end to its ter-mination.

4. There are very few postoganglionic fibers rising from ganglia under the 5th thoracic gan-lion.

5. The preganglionic fibers rising from thoracic spinal cord that correspond to superior cervical ganglion rise from 1st & 2nd thoracic spinal cord.

6. Although the most part of the preganglionic fibers arise from 3rd thoracic spinal ganglion ascend, but less of them communicate superior cervical ganglion.

7. A few of the preganglionic fibers, rising from 4th & 5th thoracic spinal ganglion communi-cate superior cervical ganglion.

8. There are very few ascending preganglinic fibers that communicate to superior cervical ganglion, and rise from spinal ganglia under 5th thracic spinal ganglia.


Copyright © 1951, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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