Affiliation:
1. Department of Zoology, Hebrew University, Jerusalem
Abstract
1. Giant fibres were found not to activate leg motoneurones during evasion.
2. A pathway of small axons having a conduction velocity of 1.5-35 m./sec. was found to govern leg activation during escape.
3. This pathway remains functional after giant-fibre degeneration after the giant axons have been severed from their somata.
4. Movements of the antennae were found to be activated by the giant fibres simultaneously or slightly earlier than movements of the legs.
5. It is suggested that a general alarm system is activated by the giant fibres concomitantly with activation of the leg motoneurones by a slower conducting pathway.
Publisher
The Company of Biologists
Subject
Insect Science,Molecular Biology,Animal Science and Zoology,Aquatic Science,Physiology,Ecology, Evolution, Behavior and Systematics
Cited by
55 articles.
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