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Saltatorische Erregungsleitung

Formal Metadata

Title
Saltatorische Erregungsleitung
Alternative Title
Saltatory Stimulus Conduction
Author
License
CC Attribution - NonCommercial - NoDerivatives 3.0 Germany:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal and non-commercial purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
IWF SignatureC 825
Publisher
Release Date
Language
Producer
Production Year1960

Technical Metadata

IWF Technical DataFilm, 16 mm, LT, 165 m ; SW, 14 1/2 min

Content Metadata

Subject Area
Genre
Abstract
German
German
Reizantwort auf einen unter- und überschwelligen Reiz mit Membranpotentialumschlag und anschließender Repolarisationsphase (Trick, Kathodenstrahloszillograph). Fluß der Ionenströme (K+, Na+) bei unter- bzw. überschwelligem Reiz (Trick). Demonstration der saltatorischen Erregungsausbreitung und deren Unterbrechung und Überbrückung (Trick, Nerv-Muskelpräparat). Demonstration des binodalen Aktionsstromes und dessen Umwandlung in einen mononodalen Aktionsstrom durch Kokaineinwirkung am distalen Schnürring (Trick, Oszillograph). Völlige Unterbrechung des Aktionsstromes durch Kokain. Stromverlust durch die Markscheide. Zusammenfassung der saltatorischen Erregungsleitung in einer markhaltigen Nervenfaser (Trick).
English
English
Reaction towards subliminal and supraliminal stimuli with reversal of membrane potential and following repolarisation phase (trick, cathodic oscillograph). Ionic currents (K+, Na+) in subliminal and supraliminal stimuli (trick). Demonstration of saltatory conduction and its interruption or bridging (trick, nerve-muscle preparation). Demonstration of the bimodal current caused by cocaine in the distal node (trick, oscillograph). Complete interruption of saltatory conduction by cocaine. Voltage gated myelin sheath. Synopsis of saltatory conduction in a myelinated nerve fibre (trick).
Keywords
German
German
English
English
IWF Classification
German
German
English
English