The cell doctrine : its history and present state for the use of students in medicine and dentistry also, a copious bibliography of the subject / by James Tyson.

  • James Tyson
Date:
1878
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Credit: The cell doctrine : its history and present state for the use of students in medicine and dentistry also, a copious bibliography of the subject / by James Tyson. Source: Wellcome Collection.

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    liealtliv animal cells, and in the s;erm cell or ovule of birds, as early as in 1825, by Purkinje ;* * * § while Pur- kinje,t Yalentin,^ and Turpin,§ bad actually called attention to the relations of the animal and vegetable cell to each other. The pre-existence of the nucleus, and the gradual development of the cell about it, Valentin had at- tempted to demonstrate in the case of pigment cells, C. II. Schultzl in the blood-corpuscle, Rudolph Wag- ner in the egg, and Ilenle in epithelium, all before the work of Schleiden had appeared. Muller had also insisted on the analoo^y between the cells of the chorda dorsalis and vegetable cells.^ Valentin, too, had said, when describing the nucleus of epidermic cells, which he was the first to point out, that they reminded him of the nucleus of the cells of vege- table tissues.'^* Rot only this, but Arniand de Quia- trefagesft and Dumortier;];:}; had actually observed the origin of young cells from the full grown, in the * Purkinje, J., Ev^ Symbolse ad ovi avium historiam ante incu- bationern, cum duobus lithographs. Yratis., 1825. f Purkinje and Rascbkow, Meletemata circa Mammalium Den- tium Evolutionem. Diss. Inaug. Vratis., 1835, p. 12. t Valentin, Ueber den Verlauf und die Enden der Nerven, aus den Nov. Act. Nat. Curios., vol. xvii; besonders abgedruckt. Bonn, 1836. § Turpin, Ann. d. Sci. Nat., 2 ser. vii, 207. II Schultz, C. H., Muller’s Archiv fur Anatomie, Physiologic und AVissenschaft. Med., p. cvii, 1837. ^ Strieker, Manual of Human and Comparative Histology, New. Syd. Soc. Translat., 1870, p. 1. » *5^ Valentin, Nov. Act., N. C. xvii, pt. I, p. 96. If Quatrefages, Annales des Sci. Nat., 2 ser. ii, p. 114. ++ Dumortier, Annales des Sci. Nat., 2 ser. vii, p. 129.
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