Pharmacologically defined components of the normal porcine multifocal ERG

  title={Pharmacologically defined components of the normal porcine multifocal ERG},
  author={Yiu-fai Ng and Henry H. L. Chan and Patrick H. W. Chu and Andrew W. Siu and Chi-ho To and Brady A. Beale and Brian Gilger and Fulton Wong},
  journal={Documenta Ophthalmologica},
Multifocal electroretinograms (mfERG) from isoflurane anesthetized pigs were recorded and sequential application of TTX, NMDA, APB and PDA were used to identify contributions to the mfERG from inner retinal neurons, ON-pathway, OFF-pathway and photoreceptors. The cellular origins of the first-order kernel (K1) and the first slice of the second-order kernel (K2.1) porcine mfERG are contributed from both inner and outer retina. For the K1 waveform, the n1 involved responses of cone photoreceptors… CONTINUE READING


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