Spinal reflex pattern in the tortoise (Testudo graeca, T. hermanni)

In high spinal anaemically decapitated tortoises (Testudo graeca and T. hermanni ) lumbar reflex pathways were investigated. The responses to peripheral stimulation of identified ipsiand contralateral hindlimb nerves were recorded intracellularly in lumbar motoneurones. Early, presumably monosynapti...

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Bibliographic Details
Published in:Journal of Comparative Physiology A 1985-01, Vol.156 (2), p.153-164
Main Authors: STEFFENS, H, SCHOMBURG, E. D, KOEHLER, W. J
Format: Article
Language:English
Subjects:
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration
Testudo graeca
Testudo hermanni
Vertebrates: nervous system and sense organs
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Summary:In high spinal anaemically decapitated tortoises (Testudo graeca and T. hermanni ) lumbar reflex pathways were investigated. The responses to peripheral stimulation of identified ipsiand contralateral hindlimb nerves were recorded intracellularly in lumbar motoneurones. Early, presumably monosynaptic, and later polysynaptic responses were observed. The spinal reflex pattern found in tortoise in many aspects resembles that one of higher vertebrates, but there are specializations found according to the phylogenetic position and to the behavior of the tortoise.
ISSN:0340-7594
1432-1351
DOI:10.1007/BF00610857