Changes in the intensity of integral afferent inflow from limb receptors and in primary afferent terminal polarization during scratching in the decerebrate cat

1988 ◽  
Vol 20 (1) ◽  
pp. 39-46
Author(s):  
K. V. Baev ◽  
V. B. Esipenko
Keyword(s):  
Primary Afferent ◽  
Decerebrate Cat ◽  
Afferent Terminal ◽  
Primary Afferent Terminal

Influence of map scale on primary afferent terminal field geometry in cat dorsal horn

1991 ◽  
Vol 66 (3) ◽  
pp. 696-704 ◽  
Author(s):  
R. J. Millecchia ◽  
L. M. Pubols ◽  
R. V. Sonty ◽  
J. L. Culberson ◽  
W. E. Gladfelter ◽  
...  
Keyword(s):  
Dorsal Horn ◽  
Receptive Fields ◽  
Primary Afferent ◽  
Afferent Terminal ◽  
Absolute Requirement ◽  
Primary Afferent Fibers ◽  
Somatotopic Map ◽  
Field Geometry ◽  
Map Scale ◽  
Primary Afferent Terminal

1. Thirty-one physiologically identified primary afferent fibers were labeled intracellularly with horseradish peroxidase (HRP). 2. A computer analysis was used to determine whether the distribution of cutaneous mechanoreceptive afferent terminals varies as a function of location within the dorsal horn somatotopic map. 3. An analysis of the geometry of the projections of these afferents has shown that 1) terminal arbors have a greater mediolateral width within the region of the foot representation than lateral to it, 2) terminal arbors have larger length-to-width ratios outside the foot representation than within it, and 3) the orientation of terminal arbors near the boundary of the foot representation reflects the angle of the boundary. Previous attribution of mediolateral width variations to primary afferent type are probably in error, although there appear to be genuine variations of longitudinal extent as a function of primary afferent type. 4. Nonuniform terminal distributions represent the first of a three-component process underlying assembly of the monosynaptic portions of cell receptive fields (RFs) and the somatotopic map. The other two components consist of the elaboration of cell dendritic trees and the establishment of selective connections. 5. The variation of primary afferent terminal distributions with map location is not an absolute requirement for development of the map; for example, the RFs of postsynaptic cells could be assembled with the use of a uniform terminal distribution for all afferents, everywhere in the map, as long as cell dendrites penetrate the appropriate portions of the presynaptic neuropil and receive connections only from afferent axons contributing to their RFs.(ABSTRACT TRUNCATED AT 250 WORDS)

The effect of bicuculline on primary afferent terminal excitability

1971 ◽  
Vol 32 (1) ◽  
pp. 261-265 ◽  
Author(s):  
Richard A. Levy ◽  
Allan H. Repkin ◽  
Edmund G. Anderson
Keyword(s):  
Primary Afferent ◽  
Afferent Terminal ◽  
Primary Afferent Terminal ◽  
Terminal Excitability

Primary afferent terminal excitability in the normal and spastic mutant mouse spinal cord

1987 ◽  
Vol 141 (3) ◽  
pp. 371-382 ◽  
Author(s):  
Yongbei Yu ◽  
M.R. Duchen ◽  
T.J. Biscoe
Keyword(s):  
Spinal Cord ◽  
Mutant Mouse ◽  
Primary Afferent ◽  
Mouse Spinal Cord ◽  
Afferent Terminal ◽  
Primary Afferent Terminal ◽  
Terminal Excitability

GABA: a direct depolarizing action at the mammalian primary afferent terminal

1974 ◽  
Vol 76 (1) ◽  
pp. 155-160 ◽  
Author(s):  
R.A. Levy
Keyword(s):  
Primary Afferent ◽  
Gaba A ◽  
Afferent Terminal ◽  
Primary Afferent Terminal

The effect of the GABA antagonists bicuculline and picrotoxin on primary afferent terminal excitability

1972 ◽  
Vol 43 (1) ◽  
pp. 171-180 ◽  
Author(s):  
Richard A. Levy ◽  
Edmund G. Anderson
Keyword(s):  
Primary Afferent ◽  
Gaba Antagonists ◽  
Afferent Terminal ◽  
Primary Afferent Terminal ◽  
Terminal Excitability

Biphasic actions of taurine on the primary afferent terminal of frog spinal cord

1985 ◽  
Vol 3 ◽  
pp. S150
Author(s):  
Yoshihisa Kudo ◽  
Hiroyuki Akagi ◽  
Eri Akiyoshi
Keyword(s):  
Spinal Cord ◽  
Primary Afferent ◽  
Afferent Terminal ◽  
Frog Spinal Cord ◽  
Primary Afferent Terminal
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