scholarly journals Morphology, physiology and synaptic connectivity of local interneurons in the mouse somatosensory thalamus

2021 ◽  
Author(s):  
Jane Simko ◽  
Henry Markram
Keyword(s):  
Synaptic Connectivity ◽  
Somatosensory Thalamus ◽  
Local Interneurons

Computer Reconstruction of the Cellular Architecture of the Daphnia Magna Optic Ganglion

1975 ◽  
Vol 33 ◽  
pp. 284-285
Author(s):  
E. R. Macagno ◽  
C. Levinthal
Keyword(s):  
Daphnia Magna ◽  
Genetic Background ◽  
Compound Eye ◽  
Synaptic Connectivity ◽  
Serial Sections ◽  
Cross Sectional ◽  
Small Crustacean ◽  
Optic Ganglion ◽  
Structural Invariance ◽  
High Degree

The optic ganglion of Daphnia Magna, a small crustacean that reproduces parthenogenetically contains about three hundred neurons: 110 neurons in the Lamina or anterior region and about 190 neurons in the Medulla or posterior region. The ganglion lies in the midplane of the organism and shows a high degree of left-right symmetry in its structures. The Lamina neurons form the first projection of the visual output from 176 retinula cells in the compound eye. In order to answer questions about structural invariance under constant genetic background, we have begun to reconstruct in detail the morphology and synaptic connectivity of various neurons in this ganglion from electron micrographs of serial sections (1). The ganglion is sectioned in a dorso-ventra1 direction so as to minimize the cross-sectional area photographed in each section. This area is about 60 μm x 120 μm, and hence most of the ganglion fit in a single 70 mm micrograph at the lowest magnification (685x) available on our Zeiss EM9-S.

Synaptic Connectivity in Engineered Neuronal Networks

2007 ◽  
pp. 165-173 ◽  
Author(s):  
Peter Molnar ◽  
Jung-Fong Kang ◽  
Neelima Bhargava ◽  
Mainak Das ◽  
James J. Hickman
Keyword(s):  
Neuronal Networks ◽  
Synaptic Connectivity

Local interneurons in the terminal abdominal ganglion of the crayfish

1982 ◽  
Vol 149 (2) ◽  
pp. 145-162 ◽  
Author(s):  
Heinrich Reichert ◽  
Mark R. Plummer ◽  
Grace Hagiwara ◽  
Richard L. Roth ◽  
Jeffrey J. Wine
Keyword(s):  
Abdominal Ganglion ◽  
Local Interneurons
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