Effects of gamma-aminobutyric acid on cones and bipolar cells of the tiger salamander retina
β Scribed by Samuel M. Wu
- Book ID
- 118129738
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 1016 KB
- Volume
- 365
- Category
- Article
- ISSN
- 0006-8993
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## Abstract The synaptic organizations of Ξ³βaminobutyric acidβimmunoreactive (GABAβIR, GABAergic) and nonβGABAβIR (nonβIR, glutamatergic) bipolar cells in salamander retina were compared by postembedding immunoelectron microscopy. A total of 238 presynaptic bipolar cell synapses were studied; 61 we
The bipolar cells in vertebrate retinas are considered to be excitatory in nature and use L-glutamate as their neurotransmitter. Our earlier studies have provided evidence demonstrating that a small but significant population of orthotopic bipolar cells in salamander retina may be g-aminobutyric aci