Lectures on diseases of the spinal cord / by J.M. Charcot translated by Cornelius G. Comegys.

  • Jean-Martin Charcot
Date:
1881
Catalogue details

Licence: Public Domain Mark

Credit: Lectures on diseases of the spinal cord / by J.M. Charcot translated by Cornelius G. Comegys. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

    85/192 (page 67)
    1 hasten to remind you that the developments which are to follow will be for a great part only an exposition of the very important researches published by Pierret in the Archives of Physiology in 1872-3, at which time he did me the honor to ]a.hoT under my direction. tlG. 21.—Transverse section of the cervical cord of an embryo of six weeks, 50 diameters. C, central canal. E, epithelial investment of the canal. G, anterior gray substance with a somber nucleus, whence emenate the anterior roots. G, posterior gray substance. H, posterior column. C.A., anterior commissure. M, anterior root. S, pos- terior root. V, posterior part of the anterior (or lateral column). E, thin portion of nervous sub- stance closing central canal (Kolliker). Fig. 22.—Section of the cord of a hnman embryo of one month. A/ anterior horns. B,^ pos- terior horns. C, central canal. D, anterior roots. E, posterior roots. A, anterior radic- ular zone. B, posterior radicular zone. I. A. A word, beforehand, about the development of the posterior fasciculi. {a) In the human embryo of six weeks the posterior fasciculi