International Review of Educational Cinematography (Jan-Dec 1932)

Record Details:

Title:
International Review of Educational Cinematography
Date:
Jan-Dec 1932
Publisher:
International Educational Cinematographic Institute
Volume:
International Review of Educational Cinematography (Jan-Dec 1932)
Leaf #:
000782
Language:
English
Collection:
Non-Theatrical Film
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Moving Image Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Date Added:
September 21, 2023
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— 758 A whole series of alcoloid substances has been placed in connection with these cultures, and the results micro-cinematographed. Among the numerous researches made in this field of science, we will only mention those which demonstrate precisely the difference between the effect on the exterior and the interior of the cells. The experiment was organized so that with the aid of the little jet of the micro-manipulator, the substance was first of all injected in a cell, and then a second time into a culture. If, for example, • o ''•>.„ jj <:.vr Fie. 6. we inject in a cell a solution of pilocarpine, the activity of the cell is, to begin with, completely arrested, but after a few minutes, the activity recommences, and even shows a marked acceleration. If, on the other hand, we inject pilocarpine into a culture, in which the cell lives, the reaction is diverse. The cells come together, roll up and the influence of the pilocarpine on the superficies of the cell kills it. As to the other alcoloids which have been used on Hortega's cells, we will only refer to curare and morphine. Curare diluted in the proportion of 1 to 10,000 and placed near the cells arrests their activity and kills them. Morphine at the same strength and similarly injected^provokes an acceleration of the cellular movements, but it has not been observed that this drug produces evil results. Micro-cinematography has also given interesting and practical results