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1989 (1)
1Author    PeterH. OchstrateRequires cookie*
 Title    Photoresponses from Cells in the Fly's Eye which are not Visual Cells  
 Abstract    It is shown that light elicits distinct responses from cells in the fly's eye which are different from photoreceptors. These cells are designated as "slow cells" because o f their sluggish response characteristics. Like the visual cells the slow cells depolarize upon light stim ulation, but the time course o f their responses is clearly different from that o f the photoreceptors. Furtherm ore, the intensity necessary to evoke a given response amplitude is considerably higher in slow cells than in photoreceptors. Several lines of evidence indicate that the slow cell response is caused by light absorption through the visual pigment rhodopsin in the peripheral photoreceptors R l —6. The slow cells are electrically coupled among each other, as dem onstrated by application of local light stimuli and injection of the fluorescent dye Lucifer Y ellow . The identity o f the slow cells and the mechanism o f response generation are discussed. 
  Reference    Z. Naturforsch. 44c, 867 (1989); received May 17/June 13 1989 
  Published    1989 
  Keywords    V ision, Fly, Photoreceptor, R hodopsin, Pigment Cells 
  Similar Items    Find
 TEI-XML for    default:Reihe_C/44/ZNC-1989-44c-0867.pdf 
 Identifier    ZNC-1989-44c-0867 
 Volume    44