Activation of substantia gelatinosa by midbrain reticular stimulation demonstrated with 2-deoxyglucose in the rat spinal cord.

Abstract:

:The autoradiographic [14C]2-deoxyglucose (2-DG) method was used to map the descending effects of midbrain reticular stimulation on the rat cervical spinal cord. The stimulation evoked consistently a defensive 'freezing' reaction as well as a large and highly localized increase in 2-DG uptake in the substantia gelatinosa (SG) (Rexed laminae 2-3). No stimulus-induced changes in 2-DG uptake were produced in the other regions of the spinal cord. The findings represent the first anatomical demonstration of the activating effects of midbrain reticular stimulation on the spinal cord. They also support the concept of an integrative role for the SG in descending reticular control mechanisms at the spinal cord level.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Gonzalez-Lima F

doi

10.1016/0304-3940(86)90283-1

subject

Has Abstract

pub_date

1986-04-24 00:00:00

pages

326-30

issue

3

eissn

0304-3940

issn

1872-7972

pii

0304-3940(86)90283-1

journal_volume

65

pub_type

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