Electron Microscopy: Two Major Synaptic Types on Spinal Motoneurons
SciencePublished 4 March 1966
David Bodian
Citations203
SJR quartileQ1
SJR score10.42
SNIP6.62
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TL;DR
Two major types of synaptic bulbs are defined on the motoneuron surface of the monkey, on the basis of content of agranular "synaptic" vesicles of two distinct kinds.
Abstract
Two major types of synaptic bulbs are defined on the motoneuron surface of the monkey, on the basis of content of agranular "synaptic" vesicles of two distinct kinds. Both types are present on dendritic as well as perikaryal surface. Because of the approximately equal numbers, the hypothesis that one type is excitatory and the other inhibitory naturally arises.
Keywords
MedicineNeuroscience
The Journal of Cell BiologyTHE ULTRASTRUCTURE OF MAUTHNER CELL SYNAPSES AND NODES IN GOLDFISH BRAINS
355 Citations1963J. David Robertson, Thomas Bodenheimer +1 more
The findings are interpreted as suggestive of electrical transmission in the club endings of goldfish Mauthner cells as well as accumulations of dense material in pre- and postsynaptic neuroplasm.
ScienceSynapse Arising at Central Node of Ranvier, and Note on Fixation of the Central Nervous System
79 Citations1963David Bodian, Naomi Taylor
The discovery in electron micrographs of a synaptic bouton arising directly from a node of Ranvier in the motor horn of the monkey spinal cord, and of a node covered by extensions of two outer lamellae of the myelin sheath, suggests a degree of variation of central nodal structure and development not usually attributed to nodes of Ranier.
