Rod Bipolar

References

• Postsynaptic connections (Input)
  • Rod
    • 17-20 rods via ribbon synapses.
    • ~30-35 rods in central retina and 40-45 in peripheral (Kolb et al '92)
  • HI Horizontal cell
  • A17 Amacrine cells at dendrites (reciprocal connections) (Kolb, '79; Kolb and Nelson, '81)

• Presynaptic connections (Output)
  • Amacrine cell
    • 5 Amacrine II
  • Wide-field Amacrine
    • A17 Amacrine
  • On Alpha/Y Ganglion Cell

• Function
  • hyperpolarize in the cat - Kolb and Nelson, 1983; Nelson et al, 1976, 1982 as cited in Karschin and Wassle (1990)
  • depolarize in the rabbit - Dacheux and Raviola 1986 as cited in Karschin and Wassle (1990)

• Morphology (McGuire, B.)

  (Mirotznik, R.) - cat(Sterling Lab)

  • Fine dendrites. Dendritic tries are bushy and insert further into the outer nuclear layer.
  • McGuire, Stevens and Sterling, 1984
    • Axon ends in sublamina b of the inner plexiform layer and provides major input to the AII Amacrine.
    • Soma diameter 6.2, 6.7, 7.6 um
    • Primary dendritic diameter: , 1.3, 2.0 um
    • Primary axon diameter: 1.1, 1.2, 1.2 um
    • Axon stratification: S3-S5
  • Freed and Sterling (1988)
    • 54,500 cells per mm2
    • 3% contact an alpha

• Array characteristics

• Compartmental Model Characteristics

• Location

• Subclasses

• Synapse types

• Synapse Receptors
  • APB
  • EC50 = 10 microMolars
  • GABAa receptors - Vardi & Sterling (1994)
  • mGLUR6 (mentioned in Rao, Buchsbaum & Sterling)

• Neurotransmitters
  • Appears to have GABAergic input from Amacrine cells in the rat- Chun, Han, Uhm, Oh and Chung ARVO '96 #2933

• Immunoreactivity
  • Antibodies against protein kinase C

• Nomenclature

Back to list of cells

Back to general retina list

87 visit(s) to this page.