Tonic descending inhibition in the stingray's spinal cord

Reflexes elicited by peripheral nerve stimulation were compared in decerebrated stingrays with the spinal cord intact, after a lesion of the dorsal spinal cord and after spinal transection. Reflexes elicited in decerebrated stingrays are tonically inhibited. Lesions of the dorsal spinal cord release...

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Veröffentlicht in:	Brain research 1985-12, Vol.358 (1), p.339-342
Hauptverfasser:	Livingston, Christine A., Leonard, Robert B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences Decerebrate State - physiopathology descending inhibition Efferent Pathways - physiology Fundamental and applied biological sciences. Psychology Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration Neural Inhibition Peripheral Nerves - physiology reflex Reflex - physiology reticulospinal system spinal cord Spinal Cord - physiology stingray Vertebrates: nervous system and sense organs
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Zusammenfassung:	Reflexes elicited by peripheral nerve stimulation were compared in decerebrated stingrays with the spinal cord intact, after a lesion of the dorsal spinal cord and after spinal transection. Reflexes elicited in decerebrated stingrays are tonically inhibited. Lesions of the dorsal spinal cord release this tonic descending inhibition. The tonic descending inhibitory system in stingrays is comparable to that of mammals.
ISSN:	0006-8993 1872-6240
DOI:	10.1016/0006-8993(85)90980-1